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class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Lockheed_Martin_X-59_Quesst" title="Lockheed Martin X-59 Quesst – Aragonese" lang="an" hreflang="an" data-title="Lockheed Martin X-59 Quesst" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Lockheed_Martin_X-59_Quesst" title="Lockheed Martin X-59 Quesst – Bosnian" lang="bs" hreflang="bs" data-title="Lockheed Martin X-59 Quesst" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/X-59_Quesst" title="X-59 Quesst – Catalan" lang="ca" hreflang="ca" data-title="X-59 Quesst" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Czech" lang="cs" hreflang="cs" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Lockheed_Martin_X-59" title="Lockheed Martin X-59 – German" lang="de" hreflang="de" data-title="Lockheed Martin X-59" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Estonian" lang="et" hreflang="et" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Spanish" lang="es" hreflang="es" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%84%D8%A7%DA%A9%D9%87%DB%8C%D8%AF_%D9%85%D8%A7%D8%B1%D8%AA%DB%8C%D9%86_%D8%A7%DA%A9%D8%B3-%DB%B5%DB%B9_%DA%A9%DB%8C%D9%88%D8%A7%D8%B3%E2%80%8C%D8%A7%D8%B3%E2%80%8C%D8%AA%DB%8C" title="لاکهید مارتین اکس-۵۹ کیواس‌اس‌تی – Persian" lang="fa" hreflang="fa" data-title="لاکهید مارتین اکس-۵۹ کیواس‌اس‌تی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – French" lang="fr" hreflang="fr" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Italian" lang="it" hreflang="it" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9C%D7%95%D7%A7%D7%94%D7%99%D7%93_%D7%9E%D7%A8%D7%98%D7%99%D7%9F_X-59_%D7%A7%D7%95%D7%95%D7%A1%D7%98" title="לוקהיד מרטין X-59 קווסט – Hebrew" lang="he" hreflang="he" data-title="לוקהיד מרטין X-59 קווסט" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/NASA-Lockheed_Martin_X-59" title="NASA-Lockheed Martin X-59 – Dutch" lang="nl" hreflang="nl" data-title="NASA-Lockheed Martin X-59" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/X-59_(%E8%88%AA%E7%A9%BA%E6%A9%9F)" title="X-59 (航空機) – Japanese" lang="ja" hreflang="ja" data-title="X-59 (航空機)" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Lockheed_Martin_X-59" title="Lockheed Martin X-59 – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Lockheed Martin X-59" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Polish" lang="pl" hreflang="pl" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Portuguese" lang="pt" hreflang="pt" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Russian" lang="ru" hreflang="ru" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Finnish" lang="fi" hreflang="fi" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Lockheed_Martin_X-59_Quesst" title="Lockheed Martin X-59 Quesst – Turkish" lang="tr" hreflang="tr" data-title="Lockheed Martin X-59 Quesst" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/Lockheed_Martin_X-59_QueSST" title="Lockheed Martin X-59 QueSST – Ukrainian" lang="uk" hreflang="uk" data-title="Lockheed Martin X-59 QueSST" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%B4%9B%E5%85%8B%E5%B8%8C%E5%BE%B7%C2%B7%E9%A6%AC%E4%B8%81X-59_QueSST" title="洛克希德·馬丁X-59 QueSST – Chinese" lang="zh" hreflang="zh" data-title="洛克希德·馬丁X-59 QueSST" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q23043171#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Lockheed_Martin_X-59_Quesst" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a 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class="hatnote navigation-not-searchable">For the Russian cruise missile ("Х-59 Овод" in cyrillic), see <a href="/wiki/Kh-59" title="Kh-59">Kh-59</a>.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">"QueSST" redirects here. For QSST, see <a href="/wiki/SAI_Quiet_Supersonic_Transport" title="SAI Quiet Supersonic Transport">SAI Quiet Supersonic Transport</a>.</div> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Experimental supersonic aircraft for NASA</div> <table class="infobox" style="width:25.5em;border-spacing:2px;"> <tbody><tr> <th colspan="2" style="text-align: center; font-size: 125%;">X-59 Quesst </th></tr> <tr> <td colspan="2" style="text-align: center;"><span typeof="mw:File"><a href="/wiki/File:NASA%E2%80%99s_X-59_Sits_on_Ramp_(AFRC2023-0198-03).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/NASA%E2%80%99s_X-59_Sits_on_Ramp_%28AFRC2023-0198-03%29.jpg/300px-NASA%E2%80%99s_X-59_Sits_on_Ramp_%28AFRC2023-0198-03%29.jpg" decoding="async" width="300" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/NASA%E2%80%99s_X-59_Sits_on_Ramp_%28AFRC2023-0198-03%29.jpg/450px-NASA%E2%80%99s_X-59_Sits_on_Ramp_%28AFRC2023-0198-03%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/22/NASA%E2%80%99s_X-59_Sits_on_Ramp_%28AFRC2023-0198-03%29.jpg/600px-NASA%E2%80%99s_X-59_Sits_on_Ramp_%28AFRC2023-0198-03%29.jpg 2x" data-file-width="6613" data-file-height="4409" /></a></span> </td></tr> <tr> <td colspan="2" style="border-bottom: 1px solid #aaa;text-align:center;">The X-59 on the ramp at Skunk Works </td></tr> <tr> <th>Role </th> <td>Experimental <a href="/wiki/Supersonic_aircraft" title="Supersonic aircraft">supersonic aircraft</a><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Type of aircraft</div> </td></tr> <tr> <th><span class="nowrap">National origin</span> </th> <td><a href="/wiki/United_States" title="United States">United States</a> </td></tr> <tr> <th>Manufacturer </th> <td><a href="/wiki/Lockheed_Martin" title="Lockheed Martin">Lockheed Martin</a> </td></tr> <tr> <th>Design group </th> <td><a href="/wiki/Swift_Engineering" title="Swift Engineering">Swift Engineering</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Verifiability#Self-published_sources" title="Wikipedia:Verifiability"><span title="The material near this tag may rely on a self-published source. (November 2024)">self-published source?</span></a></i>]</sup> </td></tr> <tr> <th>Status </th> <td>In testing </td></tr> <tr> <th>Primary user </th> <td><a href="/wiki/NASA" title="NASA">NASA</a> </td></tr> </tbody></table> <p>The <b>Lockheed Martin X-59 Quesst</b> ("Quiet SuperSonic Technology"), sometimes styled <b>QueSST</b>, is an American experimental <a href="/wiki/Supersonic_aircraft" title="Supersonic aircraft">supersonic aircraft</a> under development by <a href="/wiki/Skunk_Works" title="Skunk Works">Skunk Works</a> for <a href="/wiki/NASA" title="NASA">NASA</a>'s Low-<a href="/wiki/Sonic_boom" title="Sonic boom">Boom</a> Flight Demonstrator project.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Preliminary design started in February 2016, with the X-59 planned to begin flight testing in 2021. After delays, as of January 2024, it is planned to be delivered to NASA for <a href="/wiki/Flight_test" title="Flight test">flight testing</a> in 2024. It is expected to cruise at <a href="/wiki/Mach_number" title="Mach number">Mach</a> 1.42 (1,510 km/h; 937 mph) at an altitude of 55,000 ft (16,800 m), creating a low 75 <a href="/wiki/EPNdB" title="EPNdB">effective perceived noise level</a> (EPNdB) thump to evaluate <a href="/wiki/Supersonic_transport" title="Supersonic transport">supersonic transport</a> acceptability. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Development">Development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lockheed_Martin_X-59_Quesst&action=edit&section=1" title="Edit section: Development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Quiet_Supersonic_Technology_Preliminary_Design_Model_(cropped).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Quiet_Supersonic_Technology_Preliminary_Design_Model_%28cropped%29.jpg/170px-Quiet_Supersonic_Technology_Preliminary_Design_Model_%28cropped%29.jpg" decoding="async" width="170" height="213" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Quiet_Supersonic_Technology_Preliminary_Design_Model_%28cropped%29.jpg/255px-Quiet_Supersonic_Technology_Preliminary_Design_Model_%28cropped%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Quiet_Supersonic_Technology_Preliminary_Design_Model_%28cropped%29.jpg/340px-Quiet_Supersonic_Technology_Preliminary_Design_Model_%28cropped%29.jpg 2x" data-file-width="2772" data-file-height="3466" /></a><figcaption>A model in a <a href="/wiki/Wind_tunnel" title="Wind tunnel">wind tunnel</a> at <a href="/wiki/NASA_Langley" class="mw-redirect" title="NASA Langley">NASA Langley</a>, September 2017</figcaption></figure> <p>In February 2016, <a href="/wiki/Lockheed_Martin" title="Lockheed Martin">Lockheed Martin</a> was awarded a preliminary <a href="/wiki/Aircraft_design_process" title="Aircraft design process">design</a> contract, aiming to fly in the 2020 timeframe.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> A 9%-<a href="/wiki/Scale_model" title="Scale model">scale model</a> was to be <a href="/wiki/Wind_tunnel" title="Wind tunnel">wind tunnel</a> tested from Mach 0.3 to Mach 1.6 between February and April 2017.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/Preliminary_design_review" class="mw-redirect" title="Preliminary design review">preliminary design review</a> was originally planned to be completed by June 2017.<sup id="cite_ref-Flight22mar2017_5-0" class="reference"><a href="#cite_note-Flight22mar2017-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> While NASA received three inquiries for its August 2017 request for proposals, Lockheed was the sole bidder.<sup id="cite_ref-AvWeek4apr2018_6-0" class="reference"><a href="#cite_note-AvWeek4apr2018-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>On April 2, 2018, NASA awarded Lockheed Martin a $247.5 million contract to design, build and deliver in late 2021 the Low-Boom <a href="/wiki/List_of_X-planes" title="List of X-planes">X-plane</a>. On June 26, 2018, the <a href="/wiki/US_Air_Force" class="mw-redirect" title="US Air Force">US Air Force</a> informed NASA it had assigned the X-59 QueSST designation to the demonstrator.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> By October, <a href="/wiki/NASA_Langley" class="mw-redirect" title="NASA Langley">NASA Langley</a> had completed<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (January 2024)">clarification needed</span></a></i>]</sup> three weeks of wind tunnel testing of an 8%-<a href="/wiki/Scale_model" title="Scale model">scale model</a>, with high <a href="/wiki/Angle_of_attack" title="Angle of attack">AOAs</a> up to 50° and 88° at very low speed, up from 13° in previous tunnel campaigns.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Testing was for <a href="/wiki/Static_margin" class="mw-redirect" title="Static margin">static stability</a> and control, dynamic <a href="/wiki/Forced_oscillation" class="mw-redirect" title="Forced oscillation">forced oscillations</a>, and laser <a href="/wiki/Flow_visualization" title="Flow visualization">flow visualization</a>, expanding on previous experimental and computational predictions.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>From November 5, 2018, NASA was to begin tests over two weeks to gather feedback: up to eight thumps a day at different locations to be monitored by 20 noise sensors and described by 400 residents, receiving a $25 per week compensation. To simulate the thump, an <a href="/wiki/F/A-18_Hornet" class="mw-redirect" title="F/A-18 Hornet">F/A-18 Hornet</a> is diving from 50,000 ft (15,200 m) to briefly go supersonic for reduced shock waves over <a href="/wiki/Galveston,_Texas" title="Galveston, Texas">Galveston, Texas</a>, an island, and a stronger boom over water.<sup id="cite_ref-AvWeek2nov2018_10-0" class="reference"><a href="#cite_note-AvWeek2nov2018-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> By then, Lockheed Martin had begun <a href="/wiki/Milling_(machining)" title="Milling (machining)">machining</a> the first part in <a href="/wiki/Palmdale,_California" title="Palmdale, California">Palmdale, California</a>.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>In May 2019, the initial major structural parts were loaded in the tooling assembly.<sup id="cite_ref-AvWeek19feb2019_12-0" class="reference"><a href="#cite_note-AvWeek19feb2019-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> In June, assembly was getting underway.<sup id="cite_ref-AvWeek18jun2019_13-0" class="reference"><a href="#cite_note-AvWeek18jun2019-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> The external vision system (XVS) was flight tested on a <a href="/wiki/King_Air" class="mw-redirect" title="King Air">King Air</a> at NASA Langley.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> This is to be followed by <a href="/wiki/High_speed_wind_tunnel" class="mw-redirect" title="High speed wind tunnel">high speed wind tunnel</a> tests to verify inlet performance predictions with a 9.5%-scale model at <a href="/wiki/NASA_Glenn_Research_Center" class="mw-redirect" title="NASA Glenn Research Center">NASA Glenn Research Center</a>.<sup id="cite_ref-AvWeek19feb2019_12-1" class="reference"><a href="#cite_note-AvWeek19feb2019-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/Critical_design_review" class="mw-redirect" title="Critical design review">critical design review</a> was successfully held on September 9–13, before the <abbr title="Independent Review Board">IRB</abbr> report to NASA's Integrated Aviation Systems Program by November.<sup id="cite_ref-AvWeek30sep2019_15-0" class="reference"><a href="#cite_note-AvWeek30sep2019-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Then, 80–90% of the drawings should be released to engineering.<sup id="cite_ref-AvWeek19feb2019_12-2" class="reference"><a href="#cite_note-AvWeek19feb2019-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> The wing assembly was to be completed in 2020.<sup id="cite_ref-AvWeek18jun2019_13-1" class="reference"><a href="#cite_note-AvWeek18jun2019-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> In December 2020, construction was halfway completed with the <a href="/wiki/First_flight" class="mw-redirect" title="First flight">first flight</a> then planned for 2022.<sup id="cite_ref-AvWeb23Dec2020_16-0" class="reference"><a href="#cite_note-AvWeb23Dec2020-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>After flight-clearance testing at the <a href="/wiki/Armstrong_Flight_Research_Center" title="Armstrong Flight Research Center">Armstrong Flight Research Center</a>, an acoustic validation including air-to-air <a href="/wiki/Schlieren_imaging" title="Schlieren imaging">Schlieren imaging</a> backlit by the Sun to confirm the shockwave pattern testing was slated to be done through September 2022.<sup id="cite_ref-AvWeek4apr2018_6-1" class="reference"><a href="#cite_note-AvWeek4apr2018-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Manual_of_Style/Dates_and_numbers#Chronological_items" title="Wikipedia:Manual of Style/Dates and numbers"><span title="The text near this tag is dated. (January 2022)">needs update</span></a></i>]</sup> NASA planned to conduct flight tests over U.S. cities to verify the safety and performance of the X-59's quiet supersonic technologies and evaluate community responses for <a href="/wiki/Aviation_authority" class="mw-redirect" title="Aviation authority">regulators</a>, which could enable commercial <a href="/wiki/Supersonic_travel" class="mw-redirect" title="Supersonic travel">supersonic travel</a> over land.<sup id="cite_ref-NASA3apr2018_17-0" class="reference"><a href="#cite_note-NASA3apr2018-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Manual_of_Style/Dates_and_numbers#Chronological_items" title="Wikipedia:Manual of Style/Dates and numbers"><span title="The text near this tag is dated. (January 2018)">needs update</span></a></i>]</sup> </p><p>As of 2018, community-response flight tests starting in 2023–2025 were planned to be used for <a href="/wiki/ICAO" class="mw-redirect" title="ICAO">ICAO</a>'s Committee on Aviation Environmental Protection meeting (CAEP13) establishing a sonic boom standard.<sup id="cite_ref-AvWeek4apr2018_6-2" class="reference"><a href="#cite_note-AvWeek4apr2018-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> As of 2022, the results of the community overflights were slated to be delivered to the ICAO and the <a href="/wiki/FAA" class="mw-redirect" title="FAA">FAA</a> in 2027, allowing for a decision to be made to revise the rules on commercial supersonic travel over land in 2028.<sup id="cite_ref-nasa-20220321_18-0" class="reference"><a href="#cite_note-nasa-20220321-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p><p>NASA reported the installation of the <a href="/wiki/General_Electric" title="General Electric">General Electric</a> F414-GE-100 engine on the X-59, which took place at Lockheed Martin's Skunk Works in Palmdale, California early November 2022. The engine is 13 feet (4.0 m) long and produces 22,000 pounds-force (98 kN) of thrust.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> As of December 2023 and early January 2024, the X-59's first flight is planned for 2024.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>Lockheed Martin released a video showing an assembled X-59 rolling out of a hangar on August 4, 2023.<sup id="cite_ref-Spacecom_22-0" class="reference"><a href="#cite_note-Spacecom-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> On January 5, 2024, Lockheed Martin issued a press release about "unveiling" the X-59 within a week,<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> which was revealed on January 12, 2024.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Design">Design</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lockheed_Martin_X-59_Quesst&action=edit&section=2" title="Edit section: Design"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:X-59-overview_four-view.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/X-59-overview_four-view.png/370px-X-59-overview_four-view.png" decoding="async" width="370" height="223" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/X-59-overview_four-view.png/555px-X-59-overview_four-view.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/30/X-59-overview_four-view.png/740px-X-59-overview_four-view.png 2x" data-file-width="1977" data-file-height="1193" /></a><figcaption>X-59 characteristics</figcaption></figure> <p>The Low-Boom X-plane is 99.7 ft (30.4 m) long with a 29.5 ft (9.0 m) wingspan for a <a href="/wiki/Maximum_takeoff_weight" title="Maximum takeoff weight">maximum takeoff weight</a> of 32,300 lb (14,700 kg). Propelled by a <a href="/wiki/General_Electric_F414" title="General Electric F414">General Electric F414</a> engine, it should reach a maximum speed of Mach 1.5 or 990 mph (1,590 km/h), and cruise at Mach 1.42 or 940 mph (1,510 km/h) at 55,000 ft (16,800 m).<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/Cockpit" title="Cockpit">cockpit</a>, <a href="/wiki/Ejection_seat" title="Ejection seat">ejection seat</a> and <a href="/wiki/Aircraft_canopy" title="Aircraft canopy">canopy</a> come from a <a href="/wiki/Northrop_T-38" class="mw-redirect" title="Northrop T-38">Northrop T-38</a> and the <a href="/wiki/Landing_gear" title="Landing gear">landing gear</a> from an <a href="/wiki/F-16_Fighting_Falcon" class="mw-redirect" title="F-16 Fighting Falcon">F-16</a>.<sup id="cite_ref-AvWeek4apr2018_6-3" class="reference"><a href="#cite_note-AvWeek4apr2018-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> With afterburner, its engine will provide 22,000 lbf (98 kN) of thrust.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>As of 2017, the ground noise was expected to be around 60 dB(A), about 1/1000 as loud as current supersonic aircraft. This was to be achieved by using a long, narrow airframe and <a href="/wiki/Canard_(aeronautics)" title="Canard (aeronautics)">canards</a> to keep the <a href="/wiki/Shock_wave" title="Shock wave">shock waves</a> from <a href="/wiki/Coalescence_(physics)" title="Coalescence (physics)">coalescing</a>.<sup id="cite_ref-Flight22mar2017_5-1" class="reference"><a href="#cite_note-Flight22mar2017-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> A 2018 projection was that the aircraft would create a 75 EPNdB thump on ground, as loud as closing a <a href="/wiki/Car_door" title="Car door">car door</a>, compared with 105-110 EPNdB for the <a href="/wiki/Concorde" title="Concorde">Concorde</a>.<sup id="cite_ref-AvWeek4apr2018_6-4" class="reference"><a href="#cite_note-AvWeek4apr2018-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The central engine has a top-mounted <a href="/wiki/Components_of_jet_engines#Air_intakes" title="Components of jet engines">intake</a> for low boom, but inlet flow distortion due to <a href="/wiki/Vortices" class="mw-redirect" title="Vortices">vortices</a> is a concern.<sup id="cite_ref-AvWeek19feb2019_12-3" class="reference"><a href="#cite_note-AvWeek19feb2019-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>The flush cockpit means that the long and pointed nose-cone will obstruct all forward vision. The X-59 will use an <a href="/wiki/Enhanced_flight_vision_system" title="Enhanced flight vision system">enhanced flight vision system</a> (EVS), consisting of a forward <a href="/wiki/4K_resolution" title="4K resolution">4K camera</a> with a 33° by 19° <a href="/wiki/Angle_of_view" class="mw-redirect" title="Angle of view">angle of view</a>, which will compensate for the lack of forward visibility.<sup id="cite_ref-AvWeek4apr2018_6-5" class="reference"><a href="#cite_note-AvWeek4apr2018-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p><p>In January 2019, <a href="/wiki/United_Technologies" title="United Technologies">United Technologies</a> subsidiary <a href="/wiki/Collins_Aerospace" title="Collins Aerospace">Collins Aerospace</a> was selected to supply its Pro Line Fusion <a href="/wiki/Cockpit" title="Cockpit">Cockpit</a> avionics, displaying<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (January 2024)">clarification needed</span></a></i>]</sup> the boom on the ground, and EVS with <a href="/wiki/Long-wave_infrared" class="mw-redirect" title="Long-wave infrared">long-wave infrared</a> sensors.<sup id="cite_ref-AvWeek21jan2019_29-0" class="reference"><a href="#cite_note-AvWeek21jan2019-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> The Collins EVS-3600 multispectral imaging system, beneath the nose, is used for <a href="/wiki/Landing" title="Landing">landing</a>, while the NASA external vision system (XVS), in front of the cockpit, gives a forward view.<sup id="cite_ref-AvWeek19feb2019_12-4" class="reference"><a href="#cite_note-AvWeek19feb2019-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lockheed_Martin_X-59_Quesst&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Quiet_Spike" title="Quiet Spike">Quiet Spike</a></li> <li><a href="/wiki/Gulfstream_X-54" title="Gulfstream X-54">Gulfstream X-54</a></li> <li><a href="/wiki/Shaped_Sonic_Boom_Demonstration" title="Shaped Sonic Boom Demonstration">Shaped Sonic Boom Demonstration</a></li></ul> <p> <b>Related lists</b> </p> <ul><li><a href="/wiki/List_of_X-planes" title="List of X-planes">List of X-planes</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lockheed_Martin_X-59_Quesst&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.swiftengineering.com/product-development/lbfd/">"X-59 Quiet SuperSonic Technology (LBFD)"</a>. <i>Swift Engineering</i><span class="reference-accessdate">. Retrieved <span class="nowrap">November 5,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Swift+Engineering&rft.atitle=X-59+Quiet+SuperSonic+Technology+%28LBFD%29&rft_id=https%3A%2F%2Fwww.swiftengineering.com%2Fproduct-development%2Flbfd%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGipson2019" class="citation web cs1">Gipson, Lillian (October 8, 2019). <a rel="nofollow" class="external text" href="https://www.nasa.gov/aero/nasa-supersonic-x59-quesst-coming-together-at-famed-factory">"NASA's Supersonic X-59 QueSST Coming Together at Famed Factory"</a>. <i>NASA</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231127230029/https://www.nasa.gov/centers-and-facilities/langley/nasas-supersonic-x-59-quesst-coming-together-at-famed-factory/">Archived</a> from the original on November 27, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=NASA&rft.atitle=NASA%27s+Supersonic+X-59+QueSST+Coming+Together+at+Famed+Factory&rft.date=2019-10-08&rft.aulast=Gipson&rft.aufirst=Lillian&rft_id=https%3A%2F%2Fwww.nasa.gov%2Faero%2Fnasa-supersonic-x59-quesst-coming-together-at-famed-factory&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBanke2016" class="citation news cs1">Banke, Jim (April 22, 2016). <a rel="nofollow" class="external text" href="https://www.nasa.gov/aeronautics/nasa-moves-to-begin-historic-new-era-of-x-plane-research/">"QueSST - New Era of X-Plane Research"</a>. NASA. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20240112190322/https://www.nasa.gov/aeronautics/nasa-moves-to-begin-historic-new-era-of-x-plane-research/">Archived</a> from the original on January 12, 2024<span class="reference-accessdate">. Retrieved <span class="nowrap">February 26,</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=QueSST+-+New+Era+of+X-Plane+Research&rft.date=2016-04-22&rft.aulast=Banke&rft.aufirst=Jim&rft_id=https%3A%2F%2Fwww.nasa.gov%2Faeronautics%2Fnasa-moves-to-begin-historic-new-era-of-x-plane-research%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNorthon2017" class="citation web cs1">Northon, Karen (February 24, 2017). <a rel="nofollow" class="external text" href="https://www.nasa.gov/news-release/nasa-wind-tunnel-tests-lockheed-martins-x-plane-design-for-a-quieter-supersonic-jet/">"NASA Wind Tunnel Tests Lockheed Martin's X-Plane Design for a Quieter Supersonic Jet"</a>. <i>NASA</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231003042137/https://www.nasa.gov/news-release/nasa-wind-tunnel-tests-lockheed-martins-x-plane-design-for-a-quieter-supersonic-jet/">Archived</a> from the original on October 3, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=NASA&rft.atitle=NASA+Wind+Tunnel+Tests+Lockheed+Martin%27s+X-Plane+Design+for+a+Quieter+Supersonic+Jet&rft.date=2017-02-24&rft.aulast=Northon&rft.aufirst=Karen&rft_id=https%3A%2F%2Fwww.nasa.gov%2Fnews-release%2Fnasa-wind-tunnel-tests-lockheed-martins-x-plane-design-for-a-quieter-supersonic-jet%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-Flight22mar2017-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-Flight22mar2017_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Flight22mar2017_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGiangreco2017" class="citation news cs1">Giangreco, Leigh (March 22, 2017). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231213104233/http://www.flightglobal.com/helicopters/lockheed-and-nasa-move-toward-design-review-for-supersonic-x-plane/123441.article">"Lockheed and NASA move toward design review for supersonic X-plane"</a>. <i>FlightGlobal</i>. Archived from <a rel="nofollow" class="external text" href="https://www.flightglobal.com/news/articles/lockheed-and-nasa-move-toward-design-review-for-sup-435437/">the original</a> on December 13, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=FlightGlobal&rft.atitle=Lockheed+and+NASA+move+toward+design+review+for+supersonic+X-plane&rft.date=2017-03-22&rft.aulast=Giangreco&rft.aufirst=Leigh&rft_id=https%3A%2F%2Fwww.flightglobal.com%2Fnews%2Farticles%2Flockheed-and-nasa-move-toward-design-review-for-sup-435437%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-AvWeek4apr2018-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-AvWeek4apr2018_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-AvWeek4apr2018_6-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-AvWeek4apr2018_6-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-AvWeek4apr2018_6-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-AvWeek4apr2018_6-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-AvWeek4apr2018_6-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWarwickNorris2018" class="citation news cs1">Warwick, Graham; Norris, Guy (April 4, 2018). <span class="id-lock-subscription" title="Paid subscription required"><a rel="nofollow" class="external text" href="http://aviationweek.com/future-aerospace/lockheed-build-nasa-s-low-boom-supersonic-x-plane">"Lockheed To Build NASA's Low-Boom Supersonic X-Plane"</a></span>. <i>Aviation Week Network</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220115033132/https://aviationweek.com/aerospace/lockheed-build-nasas-low-boom-supersonic-x-plane">Archived</a> from the original on January 15, 2022.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Aviation+Week+Network&rft.atitle=Lockheed+To+Build+NASA%27s+Low-Boom+Supersonic+X-Plane&rft.date=2018-04-04&rft.aulast=Warwick&rft.aufirst=Graham&rft.au=Norris%2C+Guy&rft_id=http%3A%2F%2Faviationweek.com%2Ffuture-aerospace%2Flockheed-build-nasa-s-low-boom-supersonic-x-plane&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBanke2018" class="citation news cs1">Banke, Jim (June 28, 2018). <a rel="nofollow" class="external text" href="https://www.nasa.gov/aero/nasa-experimental-supersonic-aircraft-x-59-quesst">"NASA's experimental supersonic aircraft now known as X-59 QueSST"</a>. NASA. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231003065154/https://www.nasa.gov/aeronautics/nasas-experimental-supersonic-aircraft-now-known-as-x-59-quesst/">Archived</a> from the original on October 3, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=NASA%27s+experimental+supersonic+aircraft+now+known+as+X-59+QueSST&rft.date=2018-06-28&rft.aulast=Banke&rft.aufirst=Jim&rft_id=https%3A%2F%2Fwww.nasa.gov%2Faero%2Fnasa-experimental-supersonic-aircraft-x-59-quesst&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWarwick2018" class="citation news cs1">Warwick, Graham (October 30, 2018). <span 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class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTrautvetter2018" class="citation news cs1">Trautvetter, Chad (November 6, 2018). <a rel="nofollow" class="external text" href="https://www.ainonline.com/aviation-news/business-aviation/2018-11-06/nasa-spools-low-boom-supersonic-research">"NASA Spools Up Low-boom Supersonic Research"</a>. <i>Aviation International News</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231011103138/https://www.ainonline.com/aviation-news/business-aviation/2018-11-06/nasa-spools-low-boom-supersonic-research">Archived</a> from the original on October 11, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Aviation+International+News&rft.atitle=NASA+Spools+Up+Low-boom+Supersonic+Research&rft.date=2018-11-06&rft.aulast=Trautvetter&rft.aufirst=Chad&rft_id=https%3A%2F%2Fwww.ainonline.com%2Faviation-news%2Fbusiness-aviation%2F2018-11-06%2Fnasa-spools-low-boom-supersonic-research&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-AvWeek2nov2018-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-AvWeek2nov2018_10-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWarwick2018" class="citation news cs1">Warwick, Graham (November 2, 2018). <span class="id-lock-subscription" title="Paid subscription required"><a rel="nofollow" class="external text" href="http://aviationweek.com/future-aerospace/nasa-begin-quiet-supersonic-research-flights-texas">"NASA To Begin Quiet Supersonic Research Flights In Texas"</a></span>. <i>Aviation Week Network</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231003042150/https://aviationweek.com/aerospace/nasa-begin-quiet-supersonic-research-flights-texas">Archived</a> from the original on October 3, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Aviation+Week+Network&rft.atitle=NASA+To+Begin+Quiet+Supersonic+Research+Flights+In+Texas&rft.date=2018-11-02&rft.aulast=Warwick&rft.aufirst=Graham&rft_id=http%3A%2F%2Faviationweek.com%2Ffuture-aerospace%2Fnasa-begin-quiet-supersonic-research-flights-texas&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a 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title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Aviation+Week+Network&rft.atitle=Final+Testing+Will+Clear+Way+For+Assembly+Of+Supersonic+X-59A&rft.date=2019-02-19&rft.aulast=Norris&rft.aufirst=Guy&rft_id=http%3A%2F%2Faviationweek.com%2Fcommercial-aviation%2Ffinal-testing-will-clear-way-assembly-supersonic-x-59a&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-AvWeek18jun2019-13"><span class="mw-cite-backlink">^ <a href="#cite_ref-AvWeek18jun2019_13-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-AvWeek18jun2019_13-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNorris2019" class="citation news cs1">Norris, Guy (June 18, 2019). <span class="id-lock-subscription" title="Paid subscription required"><a rel="nofollow" class="external text" href="https://aviationweek.com/future-aerospace/lockheed-martin-begins-assembly-x-59-low-boom-demonstrator">"Lockheed Martin Begins Assembly Of X-59 Low-Boom Demonstrator"</a></span>. <i>Aviation Week Network</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210225150722/https://aviationweek.com/aerospace/lockheed-martin-begins-assembly-x-59-low-boom-demonstrator">Archived</a> from the original on February 25, 2021.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Aviation+Week+Network&rft.atitle=Lockheed+Martin+Begins+Assembly+Of+X-59+Low-Boom+Demonstrator&rft.date=2019-06-18&rft.aulast=Norris&rft.aufirst=Guy&rft_id=https%3A%2F%2Faviationweek.com%2Ffuture-aerospace%2Flockheed-martin-begins-assembly-x-59-low-boom-demonstrator&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-14"><span 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NASA. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230930233341/https://www.nasa.gov/centers-and-facilities/armstrong/new-nasa-x-plane-construction-begins-now/">Archived</a> from the original on September 30, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=New+NASA+X-Plane+Construction+Begins+Now&rft.date=2018-04-03&rft.aulast=Banke&rft.aufirst=Jim&rft_id=https%3A%2F%2Fwww.nasa.gov%2Flowboom%2Fnew-nasa-x-plane-construction-begins-now&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDaugherty2018" class="citation news cs1">Daugherty, Gina (June 19, 2018). <a rel="nofollow" class="external text" href="https://bikeshop.geaviation.com/magnificent-technologies/iconic-goes-supersonic/">"Iconic goes supersonic!"</a>. General Electric Aerospace. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20231003065150/https://blog.geaerospace.com/technology/iconic-goes-supersonic/">Archived</a> from the original on October 3, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Iconic+goes+supersonic%21&rft.date=2018-06-19&rft.aulast=Daugherty&rft.aufirst=Gina&rft_id=https%3A%2F%2Fbikeshop.geaviation.com%2Fmagnificent-technologies%2Ficonic-goes-supersonic%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTrevithick2018" class="citation news cs1">Trevithick, Joseph (August 23, 2018). <a rel="nofollow" class="external text" href="http://www.thedrive.com/the-war-zone/23103/nasas-x-59a-quiet-supersonic-test-jet-will-have-zero-forward-visibility-for-its-pilot">"NASA's X-59A Quiet Supersonic Test Jet Will Have Zero Forward Visibility For Its Pilot"</a>. <i>The Drive</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230903200931/https://www.thedrive.com/the-war-zone/23103/nasas-x-59a-quiet-supersonic-test-jet-will-have-zero-forward-visibility-for-its-pilot">Archived</a> from the original on September 3, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Drive&rft.atitle=NASA%27s+X-59A+Quiet+Supersonic+Test+Jet+Will+Have+Zero+Forward+Visibility+For+Its+Pilot&rft.date=2018-08-23&rft.aulast=Trevithick&rft.aufirst=Joseph&rft_id=http%3A%2F%2Fwww.thedrive.com%2Fthe-war-zone%2F23103%2Fnasas-x-59a-quiet-supersonic-test-jet-will-have-zero-forward-visibility-for-its-pilot&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> <li id="cite_note-AvWeek21jan2019-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-AvWeek21jan2019_29-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWarwick2019" class="citation news cs1">Warwick, Graham (January 21, 2019). <span class="id-lock-subscription" title="Paid subscription required"><a rel="nofollow" class="external text" href="http://aviationweek.com/future-aerospace/week-technology-jan-21-26-2019">"The Week In Technology, Jan. 21-26, 2019"</a></span>. <i>Aviation Week Network</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230930012726/https://aviationweek.com/aerospace/week-technology-jan-21-26-2019">Archived</a> from the original on September 30, 2023.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Aviation+Week+Network&rft.atitle=The+Week+In+Technology%2C+Jan.+21-26%2C+2019&rft.date=2019-01-21&rft.aulast=Warwick&rft.aufirst=Graham&rft_id=http%3A%2F%2Faviationweek.com%2Ffuture-aerospace%2Fweek-technology-jan-21-26-2019&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a 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Lockheed Martin. September 2, 2021.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Quiet+Supersonic+Technology+X-Plane&rft.pub=Lockheed+Martin&rft.date=2021-09-02&rft_id=http%3A%2F%2Fwww.lockheedmartin.com%2Fus%2Fproducts%2FQueSST0.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nasa.gov/mission_pages/lowboom/index.html">"Low-Boom Flight Demonstration"</a>. NASA. February 15, 2018.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Low-Boom+Flight+Demonstration&rft.pub=NASA&rft.date=2018-02-15&rft_id=https%3A%2F%2Fwww.nasa.gov%2Fmission_pages%2Flowboom%2Findex.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALockheed+Martin+X-59+Quesst" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bbc.com/future/article/20230324-how-x-planes-may-solve-the-sonic-boom-problem">"How X-planes may solve the sonic boom problem"</a>. <i><a href="/wiki/BBC" title="BBC">BBC</a></i>. 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0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:11em">Vega family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Vega" title="Lockheed Vega">1 & 2 Vega</a></li> <li><a href="/wiki/Lockheed_Air_Express" title="Lockheed Air Express">3 Air Express</a></li> <li><a href="/wiki/Lockheed_Explorer" title="Lockheed Explorer">4 Explorer</a></li> <li><a href="/wiki/Lockheed_Vega" title="Lockheed Vega">5 Vega</a></li> <li><span class="tmp-color" style="color:grey">6</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Explorer" title="Lockheed Explorer">7 Explorer</a></li> <li><a href="/wiki/Lockheed_Model_8_Sirius" title="Lockheed Model 8 Sirius">8 Sirius</a></li> <li><a href="/wiki/Lockheed_Altair" title="Lockheed Altair">8-D, E & G Altair</a></li> <li><a href="/wiki/Lockheed_Model_9_Orion" title="Lockheed Model 9 Orion">9 Orion</a></li> <li><a href="/wiki/Lockheed_Vega" title="Lockheed Vega">DL.1 Vega</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Electra family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Model_10_Electra" title="Lockheed Model 10 Electra">10 Electra</a></li> <li><a href="/wiki/Lockheed_Model_12_Electra_Junior" title="Lockheed Model 12 Electra Junior">12 Electra Junior</a></li> <li><a href="/wiki/Lockheed_Model_14_Super_Electra" title="Lockheed Model 14 Super Electra">14 Super Electra</a> <ul><li><a href="/wiki/Lockheed_Hudson" title="Lockheed Hudson">414 Hudson</a></li></ul></li> <li><a href="/wiki/Lockheed_Model_18_Lodestar" title="Lockheed Model 18 Lodestar">18 Lodestar</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">37 Ventura</a></li> <li><a href="/wiki/Lockheed_PV-2_Harpoon" class="mw-redirect" title="Lockheed PV-2 Harpoon">43 Harpoon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Constellation family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Constellation" title="Lockheed Constellation">Constellation</a></li> <li><a href="/wiki/Lockheed_L-049_Constellation" title="Lockheed L-049 Constellation">L-049</a></li> <li><a href="/wiki/Lockheed_L-649_Constellation" title="Lockheed L-649 Constellation">L-649</a></li> <li><a href="/wiki/Lockheed_L-749_Constellation" title="Lockheed L-749 Constellation">L-749</a></li> <li><a href="/wiki/Lockheed_L-1049_Super_Constellation" title="Lockheed L-1049 Super Constellation">L-1049</a></li> <li><a href="/wiki/Lockheed_L-1249_Super_Constellation" title="Lockheed L-1249 Super Constellation">L-1249</a></li> <li><a href="/wiki/Lockheed_L-1649_Starliner" title="Lockheed L-1649 Starliner">L-1649 Starliner</a></li> <li><a href="/wiki/Lockheed_C-69_Constellation" title="Lockheed C-69 Constellation">C-69</a></li> <li><a href="/wiki/Lockheed_C-121_Constellation" title="Lockheed C-121 Constellation">C-121</a></li> <li><a href="/wiki/Lockheed_EC-121_Warning_Star" title="Lockheed EC-121 Warning Star">EC-121</a></li> <li><a href="/wiki/Lockheed_XB-30" title="Lockheed XB-30">XB-30</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">C-130 Hercules family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_C-130_Hercules" title="Lockheed C-130 Hercules">C-130</a></li> <li><a href="/wiki/Lockheed_Martin_C-130J_Super_Hercules" title="Lockheed Martin C-130J Super Hercules">C-130J</a></li> <li><a href="/wiki/Lockheed_AC-130" title="Lockheed AC-130">AC-130</a></li> <li><a href="/wiki/Lockheed_DC-130" title="Lockheed DC-130">DC-130</a></li> <li><a href="/wiki/Lockheed_HC-130" title="Lockheed HC-130">HC-130</a></li> <li><a href="/wiki/Lockheed_EC-130" title="Lockheed EC-130">EC-130</a> <ul><li><a href="/wiki/Lockheed_EC-130H_Compass_Call" title="Lockheed EC-130H Compass Call">EC-130H</a></li></ul></li> <li><a href="/wiki/Lockheed_Martin_KC-130" title="Lockheed Martin KC-130">KC-130</a></li> <li><a href="/wiki/Lockheed_LC-130" title="Lockheed LC-130">LC-130</a></li> <li><a href="/wiki/Lockheed_MC-130" title="Lockheed MC-130">MC-130</a></li> <li><a href="/wiki/Lockheed_WC-130" title="Lockheed WC-130">WC-130</a></li> <li><a href="/wiki/Lockheed_Martin_E-130J" title="Lockheed Martin E-130J">E-130J</a></li> <li><a href="/wiki/Lockheed_L-100_Hercules" title="Lockheed L-100 Hercules">L-100</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">L-188 Electra family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_L-188_Electra" title="Lockheed L-188 Electra">L-188</a></li> <li><a href="/wiki/Lockheed_P-3_Orion" title="Lockheed P-3 Orion">P-3</a></li> <li><a href="/wiki/Lockheed_EP-3" title="Lockheed EP-3">EP-3</a></li> <li><a href="/wiki/Lockheed_CP-140_Aurora" title="Lockheed CP-140 Aurora">CP-140</a></li> <li><a href="/wiki/Lockheed_P-7" title="Lockheed P-7">P-7</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Other types</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_C-5_Galaxy" title="Lockheed C-5 Galaxy">C-5</a></li> <li><a href="/wiki/Lockheed_C-141_Starlifter" title="Lockheed C-141 Starlifter">C-141</a></li> <li><a href="/wiki/Lockheed_Model_44_Excalibur" title="Lockheed Model 44 Excalibur">Excalibur</a></li> <li><a href="/wiki/Lockheed_JetStar" title="Lockheed JetStar">JetStar</a></li> <li><a href="/wiki/Lockheed_L-1011_TriStar" title="Lockheed L-1011 TriStar">L-1011 Tristar</a> <ul><li><a href="/wiki/Lockheed_TriStar_(RAF)" title="Lockheed TriStar (RAF)">RAF</a></li></ul></li> <li><a href="/wiki/Lockheed_L-2000" title="Lockheed L-2000">L-2000</a></li> <li><a href="/wiki/Lockheed_Saturn" title="Lockheed Saturn">Saturn</a></li> <li><a href="/wiki/Vega_Model_2_Starliner" title="Vega Model 2 Starliner">Vega Starliner</a></li> <li><a href="/wiki/Lockheed_R6V_Constitution" title="Lockheed R6V Constitution">R6V</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Fighter-bombers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:11em">Lightning family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">P-38</a></li> <li><a href="/wiki/Lockheed_XP-49" title="Lockheed XP-49">XP-49</a></li> <li><a href="/wiki/Lockheed_XP-58_Chain_Lightning" title="Lockheed XP-58 Chain Lightning">XP-58</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Shooting Star family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_P-80_Shooting_Star" title="Lockheed P-80 Shooting Star">F-80</a></li> <li><a href="/wiki/Lockheed_F-94_Starfire" title="Lockheed F-94 Starfire">F-94</a></li> <li><a href="/wiki/Lockheed_T-33" title="Lockheed T-33">T-33</a></li> <li><a href="/wiki/Lockheed_T2V_SeaStar" title="Lockheed T2V SeaStar">T2V</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Starfighter family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_XF-104_Starfighter" title="Lockheed XF-104 Starfighter">XF-104</a></li> <li><a href="/wiki/Lockheed_F-104_Starfighter" title="Lockheed F-104 Starfighter">F-104</a></li> <li><a href="/wiki/Lockheed_NF-104A" title="Lockheed NF-104A">NF-104A</a></li> <li><a href="/wiki/Lockheed_CL-288" title="Lockheed CL-288">CL-288</a></li> <li><a href="/wiki/Lockheed_CL-1200_Lancer" title="Lockheed CL-1200 Lancer">CL-1200</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Raptor family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_YF-22" title="Lockheed YF-22">YF-22</a></li> <li><a href="/wiki/Lockheed_Martin_F-22_Raptor" title="Lockheed Martin F-22 Raptor">F-22</a></li> <li><a href="/wiki/Lockheed_Martin_FB-22" title="Lockheed Martin FB-22">FB-22</a></li> <li><a href="/wiki/Lockheed_Martin_X-44_MANTA" title="Lockheed Martin X-44 MANTA">X-44 MANTA</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Other types</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Martin_A-4AR_Fightinghawk" title="Lockheed Martin A-4AR Fightinghawk">A-4AR</a></li> <li><a href="/wiki/Lockheed_YP-24" title="Lockheed YP-24">A-9</a></li> <li><a href="/wiki/General_Dynamics_F-16_Fighting_Falcon" title="General Dynamics F-16 Fighting Falcon">F-16</a></li> <li><a href="/wiki/Lockheed_Martin_F-21" class="mw-redirect" title="Lockheed Martin F-21">F-21</a></li> <li><a href="/wiki/Lockheed_Martin_F-35_Lightning_II" title="Lockheed Martin F-35 Lightning II">F-35</a></li> <li><a href="/wiki/Lockheed_F-117_Nighthawk" title="Lockheed F-117 Nighthawk">F-117</a></li> <li><a href="/wiki/Lockheed_XFM-2" title="Lockheed XFM-2">XFM-2</a></li> <li><a href="/wiki/Lockheed_XF-90" title="Lockheed XF-90">XF-90</a></li> <li><a href="/wiki/Lockheed_YP-24" title="Lockheed YP-24">YP-24</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Reconnaissance</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:11em">Blackbird family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_A-12" title="Lockheed A-12">A-12</a></li> <li><a href="/wiki/Lockheed_SR-71_Blackbird" title="Lockheed SR-71 Blackbird">SR-71 Blackbird</a></li> <li><a href="/wiki/Lockheed_YF-12" title="Lockheed YF-12">YF-12</a></li> <li><a href="/wiki/Lockheed_M-21" class="mw-redirect" title="Lockheed M-21">M-21</a></li> <li><a href="/wiki/Lockheed_D-21" title="Lockheed D-21">D-21</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Maritime patrol</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Hudson" title="Lockheed Hudson">Hudson</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">PV-1 Ventura</a></li> <li><a href="/wiki/Lockheed_PV-2_Harpoon" class="mw-redirect" title="Lockheed PV-2 Harpoon">PV-2 Harpoon</a></li> <li><a href="/wiki/Lockheed_P-2_Neptune" title="Lockheed P-2 Neptune">P2V/P-2 Neptune</a></li> <li><a href="/wiki/Lockheed_S-3_Viking" title="Lockheed S-3 Viking">S-3 Viking</a></li> <li><a href="/wiki/Lockheed_P-3_Orion" title="Lockheed P-3 Orion">P-3 Orion</a></li> <li><a href="/wiki/Lockheed_CP-140_Aurora" title="Lockheed CP-140 Aurora">CP-140 Aurora</a></li> <li><a href="/wiki/Lockheed_P-7" title="Lockheed P-7">P-7 LRAACA</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">Other crewed</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_CL-400_Suntan" title="Lockheed CL-400 Suntan">CL-400</a></li> <li><a href="/wiki/Lockheed_U-2" title="Lockheed U-2">U-2</a></li> <li><a href="/wiki/Lockheed_YO-3_Quiet_Star" title="Lockheed YO-3 Quiet Star">YO-3 Quiet Star</a></li> <li><a href="/wiki/Lockheed_U-2" title="Lockheed U-2">TR-1</a></li> <li><a href="/w/index.php?title=Lockheed_Martin_TR-X&action=edit&redlink=1" class="new" title="Lockheed Martin TR-X (page does not exist)">TR-X</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:11em">UAVs</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Aequare" title="Lockheed Aequare">Aequare</a></li> <li><a href="/wiki/Lockheed_AQM-60_Kingfisher" title="Lockheed AQM-60 Kingfisher">AQM-60</a></li> <li><a href="/wiki/Lockheed_Martin_Cormorant" title="Lockheed Martin Cormorant">Cormorant (UAV)</a></li> <li><a href="/wiki/Lockheed_Martin_Desert_Hawk" title="Lockheed Martin Desert Hawk">Desert Hawk</a></li> <li><a href="/wiki/Lockheed_Martin_Desert_Hawk_III" title="Lockheed Martin Desert Hawk III">Desert Hawk III</a></li> <li><a href="/w/index.php?title=Lockheed_Martin_Fury&action=edit&redlink=1" class="new" title="Lockheed Martin Fury (page does not exist)">Fury</a></li> <li><a href="/wiki/Lockheed_MQM-105_Aquila" title="Lockheed MQM-105 Aquila">MQM-105</a></li> <li><a href="/wiki/Lockheed_Martin_Polecat" title="Lockheed Martin Polecat">Polecat</a></li> <li><a href="/wiki/Lockheed_Martin_RQ-3_DarkStar" title="Lockheed Martin RQ-3 DarkStar">RQ-3</a></li> <li><a href="/wiki/Lockheed_Martin_RQ-170_Sentinel" title="Lockheed Martin RQ-170 Sentinel">RQ-170</a></li> <li><a href="/wiki/Lockheed_Martin_SR-72" title="Lockheed Martin SR-72">SR-72</a></li> <li><a href="/wiki/Lockheed_Martin_X-44_(UAV)" title="Lockheed Martin X-44 (UAV)">X-44 (UAV)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Trainers</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_T-33" title="Lockheed T-33">T-33</a></li> <li><a href="/wiki/Lockheed_T2V_SeaStar" title="Lockheed T2V SeaStar">T2V</a></li> <li><a href="/wiki/KAI_T-50_Golden_Eagle" title="KAI T-50 Golden Eagle">T-50A</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Helicopters</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_CL-475" title="Lockheed CL-475">CL-475</a></li> <li><a href="/wiki/Lockheed_XH-51" title="Lockheed XH-51">XH-51</a></li> <li><a href="/wiki/Lockheed_AH-56_Cheyenne" title="Lockheed AH-56 Cheyenne">AH-56 Cheyenne</a></li> <li><a href="/wiki/Lockheed_Martin_VH-71_Kestrel" title="Lockheed Martin VH-71 Kestrel">VH-71 Kestrel</a></li> <li><a href="/wiki/Sikorsky_VH-92_Patriot" title="Sikorsky VH-92 Patriot">VH-92 Patriot</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Experimental</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Have_Blue" title="Lockheed Have Blue">Have Blue</a></li> <li><a href="/wiki/Lockheed_L-133" title="Lockheed L-133">L-133</a></li> <li><a href="/wiki/Lockheed_L-301" title="Lockheed L-301">L-301</a></li> <li><a href="/wiki/Lockheed_Senior_Peg" title="Lockheed Senior Peg">Senior Peg</a></li> <li><a href="/wiki/Lockheed_Senior_Prom" title="Lockheed Senior Prom">Senior Prom</a></li> <li><a href="/wiki/Lockheed_Star_Clipper" title="Lockheed Star Clipper">Star Clipper</a></li> <li><a href="/wiki/Lockheed_XC-35" title="Lockheed XC-35">XC-35</a></li> <li><a href="/wiki/Lockheed_X-7" title="Lockheed X-7">X-7</a></li> <li><a href="/wiki/Lockheed_X-17" title="Lockheed X-17">X-17</a></li> <li><a href="/wiki/Lockheed_L-301" title="Lockheed L-301">X-24C</a></li> <li><a href="/wiki/Schweizer_X-26_Frigate" title="Schweizer X-26 Frigate">X-26B</a></li> <li><a href="/wiki/Lockheed_Martin_X-33" title="Lockheed Martin X-33">X-33</a></li> <li><a href="/wiki/Lockheed_Martin_X-35" title="Lockheed Martin X-35">X-35</a></li> <li><a href="/wiki/Lockheed_Martin_X-55" title="Lockheed Martin X-55">X-55</a></li> <li><a href="/wiki/Lockheed_Martin_X-56" title="Lockheed Martin X-56">X-56</a></li> <li><a class="mw-selflink selflink">X-59</a></li> <li><a href="/wiki/Lockheed_XFV" title="Lockheed XFV">XFV</a></li> <li><a href="/wiki/Lockheed_XV-4_Hummingbird" title="Lockheed XV-4 Hummingbird">XV-4</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Light aircraft</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Big_Dipper" title="Lockheed Big Dipper">Big Dipper</a></li> <li><a href="/wiki/Lockheed_Explorer" title="Lockheed Explorer">Explorer</a></li> <li><a href="/wiki/Aermacchi_AL-60" title="Aermacchi AL-60">L-402</a></li> <li><a href="/wiki/Lockheed_Little_Dipper" title="Lockheed Little Dipper">Little Dipper</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Missiles</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/RM-81_Agena" title="RM-81 Agena">Agena</a></li> <li><a href="/wiki/High_Virgo" title="High Virgo">High Virgo</a></li> <li><a href="/wiki/UGM-89_Perseus" title="UGM-89 Perseus">Perseus</a></li> <li><a href="/wiki/Ping-Pong_(rocket)" title="Ping-Pong (rocket)">Ping-Pong</a></li> <li><a href="/wiki/UGM-27_Polaris" title="UGM-27 Polaris">Polaris</a></li> <li><a href="/wiki/UGM-73_Poseidon" title="UGM-73 Poseidon">Poseidon</a></li> <li><a href="/wiki/UGM-96_Trident_I" title="UGM-96 Trident I">Trident I</a></li> <li><a href="/wiki/UGM-133_Trident_II" title="UGM-133 Trident II">Trident II</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Engines</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_J37" title="Lockheed J37">J37/T35</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_Lockheed_aircraft" title="List of Lockheed aircraft">Model<br />numbers</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Vega" title="Lockheed Vega">1</a></li> <li><a href="/wiki/Lockheed_Vega" title="Lockheed Vega">2</a></li> <li><a href="/wiki/Lockheed_Air_Express" title="Lockheed Air Express">3</a></li> <li><a href="/wiki/Lockheed_Explorer" title="Lockheed Explorer">4</a></li> <li><a href="/wiki/Lockheed_Vega" title="Lockheed Vega">5</a></li> <li><span class="tmp-color" style="color:grey">6</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Explorer" title="Lockheed Explorer">7</a></li> <li><a href="/wiki/Lockheed_Model_8_Sirius" title="Lockheed Model 8 Sirius">8</a> <ul><li><a href="/wiki/Lockheed_Altair" title="Lockheed Altair">A/D</a></li></ul></li> <li><a href="/wiki/Lockheed_Model_9_Orion" title="Lockheed Model 9 Orion">9</a></li> <li><a href="/wiki/Lockheed_Model_10_Electra" title="Lockheed Model 10 Electra">10</a></li> <li><a href="/wiki/Lockheed_XFM-2" title="Lockheed XFM-2">11</a></li> <li><a href="/wiki/Lockheed_Model_12_Electra_Junior" title="Lockheed Model 12 Electra Junior">12</a></li> <li><span class="tmp-color" style="color:grey">13</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Model_14_Super_Electra" title="Lockheed Model 14 Super Electra">14</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">15</a></li> <li><a href="/wiki/Lockheed_Model_10_Electra" title="Lockheed Model 10 Electra">16</a></li> <li><span class="tmp-color" style="color:grey">17</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Model_18_Lodestar" title="Lockheed Model 18 Lodestar">18</a></li> <li><a href="/wiki/Lockheed_Model_14_Super_Electra" title="Lockheed Model 14 Super Electra">19</a></li> <li><a href="/wiki/Lockheed_XP-58_Chain_Lightning" title="Lockheed XP-58 Chain Lightning">20</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">21</a></li> <li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">22</a></li> <li><a href="/wiki/Lockheed_XP-49" title="Lockheed XP-49">23</a></li> <li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">24</a></li> <li><span class="tmp-color" style="color:grey">25</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_P-2_Neptune" title="Lockheed P-2 Neptune">26</a></li> <li><a href="/w/index.php?title=Lockheed_Model_27&action=edit&redlink=1" class="new" title="Lockheed Model 27 (page does not exist)">27</a></li> <li><span class="tmp-color" style="color:grey">28</span><sup><small>1</small></sup></li> <li><a href="/w/index.php?title=Lockheed_Model_29&action=edit&redlink=1" class="new" title="Lockheed Model 29 (page does not exist)">29</a></li> <li><a href="/w/index.php?title=Lockheed_Model_30&action=edit&redlink=1" class="new" title="Lockheed Model 30 (page does not exist)">30</a></li> <li><a href="/w/index.php?title=Lockheed_Model_29&action=edit&redlink=1" class="new" title="Lockheed Model 29 (page does not exist)">31</a></li> <li><a href="/wiki/Lockheed_Model_18_Lodestar" title="Lockheed Model 18 Lodestar">32</a></li> <li><a href="/wiki/Lockheed_Little_Dipper" title="Lockheed Little Dipper">33</a></li> <li><a href="/wiki/Lockheed_Big_Dipper" title="Lockheed Big Dipper">34</a></li> <li><a href="/w/index.php?title=Lockheed_Model_35&action=edit&redlink=1" class="new" title="Lockheed Model 35 (page does not exist)">35</a></li> <li><span class="tmp-color" style="color:grey">36</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">37</a></li> <li><span class="tmp-color" style="color:grey">38</span><sup><small>1</small></sup></li> <li><span class="tmp-color" style="color:grey">39</span><sup><small>1</small></sup></li> <li><a href="/w/index.php?title=Lockheed_Model_40&action=edit&redlink=1" class="new" title="Lockheed Model 40 (page does not exist)">40</a></li> <li><a href="/w/index.php?title=Lockheed_Model_41&action=edit&redlink=1" class="new" title="Lockheed Model 41 (page does not exist)">41</a></li> <li><a href="/w/index.php?title=Lockheed_Model_42&action=edit&redlink=1" class="new" title="Lockheed Model 42 (page does not exist)">42</a></li> <li><a href="/wiki/Lockheed_Model_44_Excalibur" title="Lockheed Model 44 Excalibur">44</a></li> <li><a href="/w/index.php?title=Lockheed_Model_45&action=edit&redlink=1" class="new" title="Lockheed Model 45 (page does not exist)">45</a></li> <li><a href="/wiki/Lockheed_L-049_Constellation" title="Lockheed L-049 Constellation">49</a></li> <li><a href="/w/index.php?title=Lockheed_Model_50&action=edit&redlink=1" class="new" title="Lockheed Model 50 (page does not exist)">50</a></li> <li><a href="/wiki/Lockheed_XB-30" title="Lockheed XB-30">51</a></li> <li><a href="/w/index.php?title=Lockheed_Model_52&action=edit&redlink=1" class="new" title="Lockheed Model 52 (page does not exist)">52</a></li> <li><a href="/wiki/Aermacchi_AL-60" title="Aermacchi AL-60">60</a></li> <li><a href="/w/index.php?title=Lockheed_Model_61&action=edit&redlink=1" class="new" title="Lockheed Model 61 (page does not exist)">61</a></li> <li><a href="/w/index.php?title=Lockheed_Model_62&action=edit&redlink=1" class="new" title="Lockheed Model 62 (page does not exist)">62</a></li> <li><a href="/wiki/Lockheed_Saturn" title="Lockheed Saturn">75</a></li> <li><a href="/wiki/Lockheed_P-80_Shooting_Star" title="Lockheed P-80 Shooting Star">80</a></li> <li><a href="/wiki/Lockheed_XFV" title="Lockheed XFV">81</a></li> <li><a href="/wiki/Lockheed_C-130_Hercules" title="Lockheed C-130 Hercules">82</a></li> <li><a href="/wiki/Lockheed_F-104_Starfighter" title="Lockheed F-104 Starfighter">83</a></li> <li><a href="/wiki/Lockheed_EC-121_Warning_Star" title="Lockheed EC-121 Warning Star">84</a></li> <li><a href="/wiki/Lockheed_P-3_Orion" title="Lockheed P-3 Orion">85</a></li> <li><a href="/wiki/Lockheed_XH-51" title="Lockheed XH-51">86</a></li> <li><a href="/wiki/Lockheed_AH-56_Cheyenne" title="Lockheed AH-56 Cheyenne">87</a></li> <li><a href="/wiki/Lockheed_L-188_Electra" title="Lockheed L-188 Electra">88</a></li> <li><a href="/wiki/Lockheed_R6V_Constitution" title="Lockheed R6V Constitution">89</a></li> <li><a href="/wiki/Lockheed_XF-90" title="Lockheed XF-90">90</a></li> <li><a href="/wiki/Lockheed_L-2000" title="Lockheed L-2000">91</a></li> <li><a href="/w/index.php?title=Lockheed_Model_92&action=edit&redlink=1" class="new" title="Lockheed Model 92 (page does not exist)">92</a></li> <li><a href="/wiki/Lockheed_L-1011_TriStar" title="Lockheed L-1011 TriStar">93</a></li> <li><a href="/wiki/Lockheed_S-3_Viking" title="Lockheed S-3 Viking">94</a></li> <li><a href="/w/index.php?title=Lockheed_Model_99&action=edit&redlink=1" class="new" title="Lockheed Model 99 (page does not exist)">99</a></li> <li><a href="/wiki/Lockheed_L-100_Hercules" title="Lockheed L-100 Hercules">100</a></li> <li><a href="/wiki/Lockheed_L-049_Constellation" title="Lockheed L-049 Constellation">104</a></li> <li><a href="/w/index.php?title=Lockheed_L-104&action=edit&redlink=1" class="new" title="Lockheed L-104 (page does not exist)">105</a></li> <li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">122</a></li> <li><a href="/w/index.php?title=Lockheed_L-129&action=edit&redlink=1" class="new" title="Lockheed L-129 (page does not exist)">129</a></li> <li><a href="/wiki/Lockheed_L-133" title="Lockheed L-133">133</a></li> <li><a href="/wiki/Lockheed_L-049_Constellation" title="Lockheed L-049 Constellation">136</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">137</a></li> <li><a href="/wiki/Lockheed_P-80_Shooting_Star" title="Lockheed P-80 Shooting Star">140</a></li> <li><a href="/wiki/Lockheed_P-80_Shooting_Star" title="Lockheed P-80 Shooting Star">141</a></li> <li><a href="/wiki/Lockheed_Model_44_Excalibur" title="Lockheed Model 44 Excalibur">144</a></li> <li><a href="/wiki/Lockheed_L-049_Constellation" title="Lockheed L-049 Constellation">149</a></li> <li><a href="/wiki/Lockheed_T-33" title="Lockheed T-33">170</a></li> <li><a href="/wiki/Lockheed_X-7" title="Lockheed X-7">171</a></li> <li><a href="/wiki/Lockheed_C-130_Hercules" title="Lockheed C-130 Hercules">182</a></li> <li><a href="/wiki/Lockheed_P-3_Orion" title="Lockheed P-3 Orion">185</a></li> <li><a href="/wiki/Lockheed_XH-51" title="Lockheed XH-51">186</a></li> <li><a href="/wiki/Lockheed_L-188_Electra" title="Lockheed L-188 Electra">188</a></li> <li><a href="/wiki/Lockheed_R6V_Constitution" title="Lockheed R6V Constitution">189</a></li> <li><a href="/wiki/Lockheed_L-193" title="Lockheed L-193">193</a></li> <li><a href="/wiki/Lockheed_F-94_Starfire" title="Lockheed F-94 Starfire">199</a></li> <li><a href="/wiki/Lockheed_Star_Clipper" title="Lockheed Star Clipper">200</a></li> <li><a href="/wiki/Lockheed_F-94_Starfire" title="Lockheed F-94 Starfire">204</a></li> <li><a href="/wiki/Lockheed_C-130_Hercules" title="Lockheed C-130 Hercules">206</a></li> <li><a href="/wiki/Lockheed_L-100_Hercules" title="Lockheed L-100 Hercules">207</a></li> <li><a href="/wiki/Lockheed_P-2_Neptune" title="Lockheed P-2 Neptune">210</a></li> <li><a href="/wiki/Lockheed_Model_12_Electra_Junior" title="Lockheed Model 12 Electra Junior">212</a></li> <li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">222</a></li> <li><a href="/wiki/Lockheed_XV-4_Hummingbird" title="Lockheed XV-4 Hummingbird">244</a></li> <li><a href="/wiki/Lockheed_T2V_SeaStar" title="Lockheed T2V SeaStar">245</a></li> <li><a href="/wiki/Lockheed_XF-104_Starfighter" title="Lockheed XF-104 Starfighter">246</a></li> <li><a href="/wiki/Lockheed_XB-30" title="Lockheed XB-30">249</a></li> <li><a href="/wiki/Lockheed_C-130_Hercules" title="Lockheed C-130 Hercules">282 (I)</a></li> <li><a href="/wiki/Lockheed_U-2" title="Lockheed U-2">282 (II)</a></li> <li><a href="/wiki/Lockheed_P-3_Orion" title="Lockheed P-3 Orion">285</a></li> <li><a href="/wiki/Lockheed_XH-51" title="Lockheed XH-51">286</a></li> <li><a href="/wiki/Lockheed_CL-288" title="Lockheed CL-288">288</a></li> <li><a href="/wiki/Lockheed_C-130_Hercules" title="Lockheed C-130 Hercules">293</a></li> <li><a href="/w/index.php?title=Lockheed_CL-295&action=edit&redlink=1" class="new" title="Lockheed CL-295 (page does not exist)">295</a></li> <li><a href="/w/index.php?title=Lockheed_CL-296&action=edit&redlink=1" class="new" title="Lockheed CL-296 (page does not exist)">296</a></li> <li><a href="/wiki/Lockheed_C-130_Hercules" title="Lockheed C-130 Hercules">298</a></li> <li><a href="/wiki/Lockheed_C-141_Starlifter" title="Lockheed C-141 Starlifter">300</a></li> <li><a href="/wiki/Lockheed_L-301" title="Lockheed L-301">301</a></li> <li><a href="/w/index.php?title=Lockheed_CL-320&action=edit&redlink=1" class="new" title="Lockheed CL-320 (page does not exist)">320</a></li> <li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">322</a></li> <li><a href="/wiki/Lockheed_CL-400_Suntan" title="Lockheed CL-400 Suntan">325</a></li> <li><a href="/wiki/Lockheed_JetStar" title="Lockheed JetStar">329</a></li> <li><a href="/wiki/Lockheed_XV-4_Hummingbird" title="Lockheed XV-4 Hummingbird">330</a></li> <li><a href="/wiki/Lockheed_XV-4_Hummingbird" title="Lockheed XV-4 Hummingbird">331</a></li> <li><a href="/wiki/Lockheed_F-104_Starfighter" title="Lockheed F-104 Starfighter">346</a></li> <li><a href="/wiki/Lockheed_C-69_Constellation" title="Lockheed C-69 Constellation">349</a></li> <li><a href="/wiki/Lockheed_U-2" title="Lockheed U-2">351</a></li> <li><a href="/w/index.php?title=Lockheed_CL-379&action=edit&redlink=1" class="new" title="Lockheed CL-379 (page does not exist)">379</a></li> <li><a href="/wiki/Lockheed_P-80_Shooting_Star" title="Lockheed P-80 Shooting Star">380</a></li> <li><a href="/wiki/Lockheed_L-100_Hercules" title="Lockheed L-100 Hercules">382</a></li> <li><a href="/wiki/Lockheed_R6V_Constitution" title="Lockheed R6V Constitution">389</a></li> <li><a href="/wiki/Lockheed_CL-400_Suntan" title="Lockheed CL-400 Suntan">400 (I)</a></li> <li><a href="/wiki/Lockheed_L-100_Hercules" title="Lockheed L-100 Hercules">400 (II)</a></li> <li><a href="/wiki/Aermacchi_AL-60" title="Aermacchi AL-60">402</a></li> <li><a href="/w/index.php?title=Lockheed_CL-407&action=edit&redlink=1" class="new" title="Lockheed CL-407 (page does not exist)">407</a></li> <li><a href="/wiki/Lockheed_Hudson" title="Lockheed Hudson">414</a></li> <li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">422</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">437</a></li> <li><a href="/wiki/Lockheed_L-049_Constellation" title="Lockheed L-049 Constellation">449</a></li> <li><a href="/wiki/Lockheed_CL-475" title="Lockheed CL-475">475</a></li> <li><a href="/wiki/Lockheed_P-80_Shooting_Star" title="Lockheed P-80 Shooting Star">480</a></li> <li><a href="/wiki/Lockheed_R6V_Constitution" title="Lockheed R6V Constitution">489</a></li> <li><a href="/wiki/Lockheed_C-5_Galaxy" title="Lockheed C-5 Galaxy">500</a></li> <li><a href="/wiki/Lockheed_P-3_Orion" title="Lockheed P-3 Orion">520</a></li> <li><a href="/wiki/Lockheed_XP-49" title="Lockheed XP-49">522</a></li> <li><a href="/wiki/Lockheed_C-69_Constellation" title="Lockheed C-69 Constellation">549</a></li> <li><a href="/wiki/Lockheed_T-33" title="Lockheed T-33">580</a></li> <li><a href="/wiki/Lockheed_XH-51" title="Lockheed XH-51">595</a></li> <li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">622</a></li> <li><a href="/wiki/Lockheed_Martin_F-22_Raptor" title="Lockheed Martin F-22 Raptor">645</a></li> <li><a href="/wiki/Lockheed_L-649_Constellation" title="Lockheed L-649 Constellation">649</a></li> <li><a href="/wiki/Lockheed_P-80_Shooting_Star" title="Lockheed P-80 Shooting Star">680</a></li> <li><a href="/wiki/Lockheed_P-3_Orion" title="Lockheed P-3 Orion">685</a></li> <li><a href="/wiki/Lockheed_CL-1200_Lancer" title="Lockheed CL-1200 Lancer">704</a></li> <li><a href="/wiki/Lockheed_L-749_Constellation" title="Lockheed L-749 Constellation">749</a></li> <li><a href="/w/index.php?title=Lockheed_CL-760&action=edit&redlink=1" class="new" title="Lockheed CL-760 (page does not exist)">760</a></li> <li><a href="/wiki/Lockheed_F-94_Starfire" title="Lockheed F-94 Starfire">780</a></li> <li><a href="/wiki/Lockheed_P-3_Orion" title="Lockheed P-3 Orion">785</a></li> <li><a href="/wiki/Lockheed_P-38_Lightning" title="Lockheed P-38 Lightning">822</a></li> <li><a href="/wiki/Lockheed_L-2000" title="Lockheed L-2000">823</a></li> <li><a href="/wiki/Lockheed_AH-56_Cheyenne" title="Lockheed AH-56 Cheyenne">840</a></li> <li><a href="/wiki/Lockheed_L-749_Constellation" title="Lockheed L-749 Constellation">849</a></li> <li><a href="/wiki/Lockheed_F-94_Starfire" title="Lockheed F-94 Starfire">880</a></li> <li><a href="/wiki/Lockheed_F-104_Starfighter" title="Lockheed F-104 Starfighter">901</a></li> <li><a href="/wiki/Lockheed_A-12" title="Lockheed A-12">915</a></li> <li><a href="/wiki/Lockheed_F-104_Starfighter" title="Lockheed F-104 Starfighter">934</a></li> <li><a href="/wiki/Lockheed_L-749_Constellation" title="Lockheed L-749 Constellation">949</a></li> <li><a href="/w/index.php?title=Lockheed_CL-977-16&action=edit&redlink=1" class="new" title="Lockheed CL-977-16 (page does not exist)">977</a></li> <li><a href="/wiki/Lockheed_F-94_Starfire" title="Lockheed F-94 Starfire">980</a></li> <li><a href="/wiki/Lockheed_L-2000" title="Lockheed L-2000">981</a></li> <li><a href="/wiki/Lockheed_F-94_Starfire" title="Lockheed F-94 Starfire">984</a></li> <li><a href="/wiki/Lockheed_F-94_Starfire" title="Lockheed F-94 Starfire">985</a></li> <li><a href="/wiki/Lockheed_S-3_Viking" title="Lockheed S-3 Viking">995</a></li> <li><a href="/wiki/Lockheed_J37" title="Lockheed J37">1000</a></li> <li><a href="/wiki/Lockheed_F-104_Starfighter" title="Lockheed F-104 Starfighter">1010</a></li> <li><a href="/wiki/Lockheed_L-1011_TriStar" title="Lockheed L-1011 TriStar">1011</a></li> <li><a href="/wiki/Lockheed_P-2_Neptune" title="Lockheed P-2 Neptune">1020</a></li> <li><a href="/wiki/Lockheed_AH-56_Cheyenne" title="Lockheed AH-56 Cheyenne">1026</a></li> <li><a href="/wiki/Lockheed_L-1049_Super_Constellation" title="Lockheed L-1049 Super Constellation">1049</a> <ul><li><a href="/wiki/Lockheed_EC-121_Warning_Star" title="Lockheed EC-121 Warning Star">A</a></li></ul></li> <li><a href="/wiki/Lockheed_CL-1060" class="mw-redirect" title="Lockheed CL-1060">1060</a></li> <li><a href="/wiki/Lockheed_T2V_SeaStar" title="Lockheed T2V SeaStar">1080</a></li> <li><a href="/wiki/Lockheed_CL-1090" class="mw-redirect" title="Lockheed CL-1090">1090</a></li> <li><a href="/wiki/Lockheed_YF-22" title="Lockheed YF-22">1132</a></li> <li><a href="/wiki/Lockheed_L-1049_Super_Constellation" title="Lockheed L-1049 Super Constellation">1149</a></li> <li><a href="/w/index.php?title=Lockheed_CL-1195&action=edit&redlink=1" class="new" title="Lockheed CL-1195 (page does not exist)">1195</a></li> <li><a href="/wiki/Lockheed_CL-1200_Lancer" title="Lockheed CL-1200 Lancer">1200</a></li> <li><a href="/wiki/Lockheed_CL-1201" title="Lockheed CL-1201">1201</a></li> <li><a href="/w/index.php?title=Lockheed_CL-1235&action=edit&redlink=1" class="new" title="Lockheed CL-1235 (page does not exist)">1235</a></li> <li><a href="/w/index.php?title=Lockheed_CL-1236&action=edit&redlink=1" class="new" title="Lockheed CL-1236 (page does not exist)">1236</a></li> <li><a href="/w/index.php?title=Lockheed_CL-1237&action=edit&redlink=1" class="new" title="Lockheed CL-1237 (page does not exist)">1237</a></li> <li><a href="/wiki/Lockheed_L-1249_Super_Constellation" title="Lockheed L-1249 Super Constellation">1249</a></li> <li><a href="/wiki/Lockheed_JetStar" title="Lockheed JetStar">1329</a></li> <li><a href="/wiki/Lockheed_CL-1200_Lancer" title="Lockheed CL-1200 Lancer">1400</a></li> <li><a href="/wiki/Lockheed_L-1049_Super_Constellation" title="Lockheed L-1049 Super Constellation">1449</a></li> <li><a href="/wiki/Lockheed_L-1049_Super_Constellation" title="Lockheed L-1049 Super Constellation">1549</a></li> <li><a href="/wiki/Lockheed_CL-1200_Lancer" title="Lockheed CL-1200 Lancer">1600</a></li> <li><a href="/wiki/Lockheed_L-1649_Starliner" title="Lockheed L-1649 Starliner">1649</a></li> <li><a href="/wiki/Lockheed_AH-56_Cheyenne" title="Lockheed AH-56 Cheyenne">1700</a></li> <li><a href="/w/index.php?title=Lockheed_CL-1800&action=edit&redlink=1" class="new" title="Lockheed CL-1800 (page does not exist)">1800</a></li> <li><a href="/wiki/Lockheed_A-12" title="Lockheed A-12">1980</a></li> <li><a href="/wiki/Lockheed_L-2000" title="Lockheed L-2000">2000</a></li> <li><a href="/wiki/Lockheed_JetStar" title="Lockheed JetStar">2329</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Vega" scope="row" class="navbox-group" style="width:11em">Vega</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lockheed_Altair" title="Lockheed Altair">1</a></li> <li><a href="/wiki/Vega_Model_2_Starliner" title="Vega Model 2 Starliner">2</a></li> <li><span class="tmp-color" style="color:grey">3</span><sup><small>1</small></sup></li> <li><span class="tmp-color" style="color:grey">4</span><sup><small>1</small></sup></li> <li><a href="/wiki/Armstrong_Whitworth_Ensign" title="Armstrong Whitworth Ensign">5</a></li> <li><a href="/wiki/Handley_Page_Hampden" title="Handley Page Hampden">6</a></li> <li><span class="tmp-color" style="color:grey">7–10</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Altair" title="Lockheed Altair">11</a></li> <li><span class="tmp-color" style="color:grey">12–14</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">15</a></li> <li><span class="tmp-color" style="color:grey">16</span><sup><small>1</small></sup></li> <li><a href="/wiki/Boeing_B-17_Flying_Fortress" title="Boeing B-17 Flying Fortress">17</a></li> <li><a href="/wiki/Lockheed_Model_18_Lodestar" title="Lockheed Model 18 Lodestar">18</a></li> <li><span class="tmp-color" style="color:grey">19</span><sup><small>1</small></sup></li> <li><span class="tmp-color" style="color:grey">20</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">21</a></li> <li><a href="/wiki/Vega_Model_2_Starliner" title="Vega Model 2 Starliner">22</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">23</a></li> <li><a href="/wiki/Vega_Model_2_Starliner" title="Vega Model 2 Starliner">24</a></li> <li><span class="tmp-color" style="color:grey">25</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_P-2_Neptune" title="Lockheed P-2 Neptune">26</a></li> <li><span class="tmp-color" style="color:grey">27–32</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Little_Dipper" title="Lockheed Little Dipper">33</a></li> <li><a href="/wiki/Lockheed_Big_Dipper" title="Lockheed Big Dipper">34</a></li> <li><a href="/wiki/North_American_NA-35" title="North American NA-35">35</a></li> <li><span class="tmp-color" style="color:grey">36</span><sup><small>1</small></sup></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">37</a></li> <li><span class="tmp-color" style="color:grey">38</span><sup><small>1</small></sup></li> <li><span class="tmp-color" style="color:grey">39</span><sup><small>1</small></sup></li> <li><a href="/w/index.php?title=Vega_Model_40&action=edit&redlink=1" class="new" title="Vega Model 40 (page does not exist)">40</a></li> <li><a href="/w/index.php?title=Vega_Model_41&action=edit&redlink=1" class="new" title="Vega Model 41 (page does not exist)">41</a></li> <li><a href="/w/index.php?title=Vega_Model_42&action=edit&redlink=1" class="new" title="Vega Model 42 (page does not exist)">42</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">43</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><sup>1</sup> Not assigned</div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="USAF_/_Joint_Service_experimental_aircraft_(X-plane)_designations_since_1941" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:US_experimental_aircraft" title="Template:US experimental aircraft"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:US_experimental_aircraft" title="Template talk:US experimental aircraft"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:US_experimental_aircraft" title="Special:EditPage/Template:US experimental aircraft"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="USAF_/_Joint_Service_experimental_aircraft_(X-plane)_designations_since_1941" style="font-size:114%;margin:0 4em">USAF / Joint Service <a href="/wiki/Experimental_aircraft" title="Experimental aircraft">experimental aircraft</a> (<a href="/wiki/List_of_X-planes" title="List of X-planes">X-plane</a>) designations since 1941</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Supersonic/special test<br />"S" (1946–1947)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bell_X-1" title="Bell X-1">S-1</a></li> <li><a href="/wiki/Bell_X-2" title="Bell X-2">S-2</a></li> <li><a href="/wiki/Douglas_X-3_Stiletto" title="Douglas X-3 Stiletto">S-3</a></li> <li><a href="/wiki/Northrop_X-4_Bantam" title="Northrop X-4 Bantam">S-4</a></li> <li><a href="/wiki/Bell_X-5" title="Bell X-5">S-5</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Experimental<br />"X" (1948–present)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">1–25</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bell_X-1" title="Bell X-1">X-1</a></li> <li><a href="/wiki/Bell_X-2" title="Bell X-2">X-2</a></li> <li><a href="/wiki/Douglas_X-3_Stiletto" title="Douglas X-3 Stiletto">X-3</a></li> <li><a href="/wiki/Northrop_X-4_Bantam" title="Northrop X-4 Bantam">X-4</a></li> <li><a href="/wiki/Bell_X-5" title="Bell X-5">X-5</a></li> <li><a href="/wiki/Convair_X-6" title="Convair X-6">X-6</a></li> <li><a href="/wiki/Lockheed_X-7" title="Lockheed X-7">X-7</a></li> <li><a href="/wiki/Aerojet_General_X-8" title="Aerojet General X-8">X-8</a></li> <li><a href="/wiki/Bell_X-9_Shrike" title="Bell X-9 Shrike">X-9</a></li> <li><a href="/wiki/North_American_X-10" title="North American X-10">X-10</a></li> <li><a href="/wiki/SM-65A_Atlas" title="SM-65A Atlas">X-11</a></li> <li><a href="/wiki/SM-65B_Atlas" title="SM-65B Atlas">X-12</a></li> <li><a href="/wiki/Ryan_X-13_Vertijet" title="Ryan X-13 Vertijet">X-13</a></li> <li><a href="/wiki/Bell_X-14" title="Bell X-14">X-14</a></li> <li><a href="/wiki/North_American_X-15" title="North American X-15">X-15</a></li> <li><a href="/wiki/Bell_X-16" title="Bell X-16">X-16</a></li> <li><a href="/wiki/Lockheed_X-17" title="Lockheed X-17">X-17</a></li> <li><a href="/wiki/Hiller_X-18" title="Hiller X-18">X-18</a></li> <li><a href="/wiki/Curtiss-Wright_X-19" title="Curtiss-Wright X-19">X-19</a></li> <li><a href="/wiki/Boeing_X-20_Dyna-Soar" title="Boeing X-20 Dyna-Soar">X-20</a></li> <li><a href="/wiki/Northrop_X-21" title="Northrop X-21">X-21</a></li> <li><a href="/wiki/Bell_X-22" title="Bell X-22">X-22</a></li> <li><a href="/wiki/Martin_X-23_PRIME" title="Martin X-23 PRIME">X-23</a><sup><small>3</small></sup></li> <li><a href="/wiki/Martin_Marietta_X-24" title="Martin Marietta X-24">X-24</a> <ul><li><a href="/wiki/Lockheed_L-301" title="Lockheed L-301">X-24C</a><sup><small>3</small></sup></li></ul></li> <li><a href="/wiki/Bensen_B-8" title="Bensen B-8">X-25</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">26–50</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Schweizer_X-26_Frigate" title="Schweizer X-26 Frigate">X-26</a></li> <li><a href="/wiki/Lockheed_CL-1200_Lancer" title="Lockheed CL-1200 Lancer">X-27</a></li> <li><a href="/wiki/Osprey_Osprey_I" title="Osprey Osprey I">X-28</a></li> <li><a href="/wiki/Grumman_X-29" title="Grumman X-29">X-29</a></li> <li><a href="/wiki/Rockwell_X-30" title="Rockwell X-30">X-30</a></li> <li><a href="/wiki/Rockwell-MBB_X-31" title="Rockwell-MBB X-31">X-31</a></li> <li><a href="/wiki/Boeing_X-32" title="Boeing X-32">X-32</a></li> <li><a href="/wiki/Lockheed_Martin_X-33" title="Lockheed Martin X-33">X-33</a></li> <li><a href="/wiki/Orbital_Sciences_X-34" title="Orbital Sciences X-34">X-34</a></li> <li><a href="/wiki/Lockheed_Martin_X-35" title="Lockheed Martin X-35">X-35</a></li> <li><a href="/wiki/McDonnell_Douglas_X-36" title="McDonnell Douglas X-36">X-36</a></li> <li><a href="/wiki/Boeing_X-37" title="Boeing X-37">X-37</a></li> <li><a href="/wiki/NASA_X-38" title="NASA X-38">X-38</a></li> <li><a href="/wiki/Future_Aircraft_Technology_Enhancements" title="Future Aircraft Technology Enhancements">X-39</a><sup><small>3</small></sup></li> <li><a href="/wiki/Boeing_X-40" title="Boeing X-40">X-40</a></li> <li><a href="/wiki/X-41_Common_Aero_Vehicle" title="X-41 Common Aero Vehicle">X-41</a></li> <li><a href="/wiki/X-42_Pop-Up_Upper_Stage" class="mw-redirect" title="X-42 Pop-Up Upper Stage">X-42</a></li> <li><a href="/wiki/NASA_X-43" title="NASA X-43">X-43</a></li> <li>X-44<sup><small>2</small></sup> <ul><li><a href="/wiki/Lockheed_Martin_X-44_MANTA" title="Lockheed Martin X-44 MANTA">X-44 MANTA</a></li> <li><a href="/wiki/Lockheed_Martin_X-44_(UAV)" title="Lockheed Martin X-44 (UAV)">X-44 (UAV)</a></li></ul></li> <li><a href="/wiki/Boeing_X-45" title="Boeing X-45">X-45</a></li> <li><a href="/wiki/Boeing_X-46" title="Boeing X-46">X-46</a></li> <li><a href="/wiki/Northrop_Grumman_X-47A_Pegasus" title="Northrop Grumman X-47A Pegasus">X-47</a> <ul><li><a href="/wiki/Northrop_Grumman_X-47B" title="Northrop Grumman X-47B">X-47B</a></li></ul></li> <li><a href="/wiki/Boeing_X-48" title="Boeing X-48">X-48</a></li> <li><a href="/wiki/Piasecki_X-49_SpeedHawk" title="Piasecki X-49 SpeedHawk">X-49</a></li> <li><a href="/wiki/Boeing_X-50_Dragonfly" title="Boeing X-50 Dragonfly">X-50</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">51–</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Boeing_X-51_Waverider" title="Boeing X-51 Waverider">X-51</a></li> <li><span class="tmp-color" style="color:grey">X-52</span><sup><small>1</small></sup></li> <li><a href="/wiki/Boeing_X-53_Active_Aeroelastic_Wing" title="Boeing X-53 Active Aeroelastic Wing">X-53</a></li> <li><a href="/wiki/Gulfstream_X-54" title="Gulfstream X-54">X-54</a></li> <li><a href="/wiki/Lockheed_Martin_X-55" title="Lockheed Martin X-55">X-55</a></li> <li><a href="/wiki/Lockheed_Martin_X-56" title="Lockheed Martin X-56">X-56</a></li> <li><a href="/wiki/NASA_X-57_Maxwell" title="NASA X-57 Maxwell">X-57</a></li> <li><span class="tmp-color" style="color:grey">X-58</span><sup><small>1</small></sup></li> <li><a class="mw-selflink selflink">X-59</a></li> <li><a href="/wiki/Generation_Orbit_X-60" title="Generation Orbit X-60">X-60</a></li> <li><a href="/wiki/Dynetics_X-61_Gremlins" title="Dynetics X-61 Gremlins">X-61</a></li> <li><a href="/wiki/General_Dynamics_X-62_VISTA" title="General Dynamics X-62 VISTA">X-62</a></li> <li><a href="/wiki/ABL_Space_Systems_X-63" class="mw-redirect" title="ABL Space Systems X-63">X-63</a></li> <li><a href="/w/index.php?title=KT_Engineering_X-64&action=edit&redlink=1" class="new" title="KT Engineering X-64 (page does not exist)">X-64</a></li> <li><a href="/wiki/Aurora_X-65_CRANE" title="Aurora X-65 CRANE">X-65</a></li> <li><a href="/wiki/Boeing_X-66" title="Boeing X-66">X-66</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">See also</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NASA_AD-1" title="NASA AD-1">AD-1</a></li> <li><a href="/wiki/Rockwell_HiMAT" title="Rockwell HiMAT">HiMAT</a></li> <li><a href="/wiki/Northrop_HL-10" title="Northrop HL-10">HL-10</a></li> <li><a href="/wiki/NASA_M2-F1" title="NASA M2-F1">M2-F1</a></li> <li><a href="/wiki/Northrop_M2-F2" title="Northrop M2-F2">M2-F2</a></li> <li><a href="/wiki/Northrop_M2-F3" title="Northrop M2-F3">M2-F3</a></li> <li><a href="/wiki/Kratos_XQ-58_Valkyrie" title="Kratos XQ-58 Valkyrie">XQ-58</a></li> <li><a href="/wiki/General_Atomics_XQ-67A" title="General Atomics XQ-67A">XQ-67</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><sup><small>1</small></sup> Not assigned</li> <li><sup>2</sup> Assigned to multiple types</li> <li><sup>3</sup> Unofficial</li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Supersonic_transport" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Supersonic_transport" title="Template:Supersonic transport"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Supersonic_transport" title="Template talk:Supersonic transport"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Supersonic_transport" title="Special:EditPage/Template:Supersonic transport"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Supersonic_transport" style="font-size:114%;margin:0 4em"><a href="/wiki/Supersonic_transport" title="Supersonic transport">Supersonic transport</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/Civil_aviation" title="Civil aviation">Civil aviation</a></li> <li><a href="/wiki/Supersonic_aircraft" title="Supersonic aircraft">Supersonic aircraft</a> <ul><li><a href="/wiki/List_of_supersonic_aircraft" title="List of supersonic aircraft">list</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: left;">Historic airliners</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Concorde" title="Concorde">Aérospatiale/BAC Concorde</a> (<a href="/wiki/Concorde_operational_history" title="Concorde operational history">Operational history</a>/<a href="/wiki/Concorde_histories_and_aircraft_on_display" title="Concorde histories and aircraft on display">histories/aircraft on display</a>)</li> <li><a href="/wiki/Tupolev_Tu-144" title="Tupolev Tu-144">Tupolev Tu-144</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: left;">Historic<br />projects</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:9em;text-align: left;background-color: #eee;">Airliners</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Boeing_2707" title="Boeing 2707">Boeing 2707</a></li> <li><a href="/wiki/Bristol_Type_223" title="Bristol Type 223">Bristol Type 223</a></li> <li><a href="/wiki/Convair_Model_58-9" title="Convair Model 58-9">Convair Model 58-9</a></li> <li><a href="/wiki/Douglas_2229" title="Douglas 2229">Douglas 2229</a></li> <li><a href="/wiki/High_Speed_Civil_Transport" title="High Speed Civil Transport">High Speed Civil Transport</a></li> <li><a href="/wiki/LAPCAT" title="LAPCAT">LAPCAT</a></li> <li><a href="/wiki/Lockheed_L-2000" title="Lockheed L-2000">Lockheed L-2000</a></li> <li><a href="/wiki/North_American_NAC-60" title="North American NAC-60">North American NAC-60</a></li> <li><a href="/wiki/Rockwell_X-30" title="Rockwell X-30">Rockwell X-30</a></li> <li><a href="/wiki/Sud_Aviation_Super-Caravelle" title="Sud Aviation Super-Caravelle">Sud Aviation Super-Caravelle</a></li> <li><a href="/wiki/Tupolev_Tu-244" title="Tupolev Tu-244">Tupolev Tu-244</a></li> <li><a href="/wiki/HyperMach_SonicStar" title="HyperMach SonicStar">HyperMach SonicStar</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:9em;text-align: left;background-color: #eee;"><a href="/wiki/Supersonic_business_jet" title="Supersonic business jet">Business jets</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aerion_AS2" title="Aerion AS2">Aerion AS2</a></li> <li><a href="/wiki/Aerion_SBJ" title="Aerion SBJ">Aerion SBJ</a></li> <li><a href="/wiki/SAI_Quiet_Supersonic_Transport" title="SAI Quiet Supersonic Transport">SAI Quiet Supersonic Transport</a></li> <li><a href="/wiki/Sukhoi-Gulfstream_S-21" title="Sukhoi-Gulfstream S-21">Sukhoi-Gulfstream S-21</a></li> <li><a href="/wiki/Tupolev_Tu-444" class="mw-redirect" title="Tupolev Tu-444">Tupolev Tu-444</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: left;">Current<br />projects</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:9em;text-align: left;background-color: #eee;">Airliners</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Boom_Overture" title="Boom Overture">Boom Overture</a></li> <li><a href="/wiki/Next_Generation_Supersonic_Transport" title="Next Generation Supersonic Transport">Next Generation Supersonic Transport</a></li> <li><a href="/wiki/Reaction_Engines_LAPCAT_A2" title="Reaction Engines LAPCAT A2">Reaction Engines LAPCAT A2</a></li> <li><a href="/wiki/Zero_Emission_Hyper_Sonic_Transport" title="Zero Emission Hyper Sonic Transport">Zero Emission Hyper Sonic Transport</a></li> <li><a href="/wiki/Hermeus" title="Hermeus">Hermeus Halcyon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:9em;text-align: left;background-color: #eee;"><a href="/wiki/Supersonic_business_jet" title="Supersonic business jet">Business jets</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gulfstream_X-54" title="Gulfstream X-54">Gulfstream X-54</a></li> <li><a href="/wiki/Spike_S-512" title="Spike S-512">Spike S-512</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: left;">Experimental programs</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Boom_XB-1" title="Boom XB-1">Boom XB-1</a></li> <li><a class="mw-selflink selflink">Lockheed Martin X-59 QueSST</a></li> <li><a href="/wiki/Quiet_Spike" title="Quiet Spike">Quiet Spike</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, 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