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class="vector-toc-numb">2</span> <span>Tow testing</span> </div> </a> <ul id="toc-Tow_testing-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Flight_testing" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Flight_testing"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Flight testing</span> </div> </a> <button aria-controls="toc-Flight_testing-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Flight testing subsection</span> </button> <ul id="toc-Flight_testing-sublist" class="vector-toc-list"> <li id="toc-Pilots" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Pilots"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Pilots</span> </div> </a> <ul id="toc-Pilots-sublist" class="vector-toc-list"> </ul> 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class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Lifting body prototype</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) 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.infobox-full-data,.mw-parser-output .ib-aircraft-caption-left .infobox-data,.mw-parser-output .ib-aircraft-caption-left .infobox-label{text-align:left}.mw-parser-output .ib-aircraft .mergedbottomrow .infobox-full-data,.mw-parser-output .ib-aircraft .mergedbottomrow .infobox-data,.mw-parser-output .ib-aircraft .mergedbottomrow .infobox-label{border-bottom:1px solid #a2a9b1}@media(min-width:720px){.mw-parser-output .ib-aircraft .infobox-label{width:30%;padding-right:3px}.mw-parser-output .ib-aircraft .infobox-data{width:50%}}</style><table class="infobox ib-aircraft vcard"><tbody><tr><th colspan="2" class="infobox-above">M2-F1</th></tr><tr><td colspan="2" class="infobox-full-data"><span typeof="mw:File"><a href="/wiki/File:NASA_M2-F1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/NASA_M2-F1.jpg/300px-NASA_M2-F1.jpg" decoding="async" width="300" height="223" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/NASA_M2-F1.jpg/450px-NASA_M2-F1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/00/NASA_M2-F1.jpg/600px-NASA_M2-F1.jpg 2x" data-file-width="2868" data-file-height="2128" /></a></span></td></tr><tr><th colspan="2" class="infobox-header">General information</th></tr><tr><th scope="row" class="infobox-label">Type</th><td class="infobox-data">Lifting-body <a href="/wiki/Technology_demonstrator" class="mw-redirect" title="Technology demonstrator">technology demonstrator</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Aerospace_manufacturer" title="Aerospace manufacturer">Manufacturer</a></th><td class="infobox-data"><a href="/wiki/Dryden_Flight_Research_Center" class="mw-redirect" title="Dryden Flight Research Center">Dryden Flight Research Center</a></td></tr><tr><th scope="row" class="infobox-label">Designer</th><td class="infobox-data"><div> <a href="/wiki/Ames_Research_Center" title="Ames Research Center">Ames Research Center</a></div></td></tr><tr><th scope="row" class="infobox-label">Status</th><td class="infobox-data">On display</td></tr><tr><th scope="row" class="infobox-label">Primary user</th><td class="infobox-data"><a href="/wiki/NASA" title="NASA">NASA</a></td></tr><tr><th scope="row" class="infobox-label">Number built</th><td class="infobox-data">1</td></tr><tr><th colspan="2" class="infobox-header">History</th></tr><tr><th scope="row" class="infobox-label">First flight</th><td class="infobox-data">16 August 1963</td></tr><tr><th scope="row" class="infobox-label">Retired</th><td class="infobox-data">16 August <a href="/wiki/1966_in_aviation" title="1966 in aviation">1966</a></td></tr><tr><th scope="row" class="infobox-label">Variants</th><td class="infobox-data"><a href="/wiki/Northrop_M2-F2" title="Northrop M2-F2">Northrop M2-F2</a><br /><a href="/wiki/Northrop_M2-F3" title="Northrop M2-F3">Northrop M2-F3</a></td></tr></tbody></table> <p>The <b>NASA M2-F1</b> is a lightweight, unpowered prototype aircraft, developed to flight-test the wingless <a href="/wiki/Lifting_body" title="Lifting body">lifting body</a> concept. Its unusual appearance earned it the nickname "flying bathtub" and was designated the M2-F1, the M referring to "manned", and F referring to "flight" version. In <a href="/wiki/1962_in_aviation" title="1962 in aviation">1962</a>, <a href="/wiki/Armstrong_Flight_Research_Center" title="Armstrong Flight Research Center">NASA Dryden</a> management approved a program to build a lightweight, unpowered lifting-body prototype. It featured a plywood shell placed over a tubular steel frame crafted at Dryden. Construction was completed in <a href="/wiki/1963_in_aviation" title="1963 in aviation">1963</a>.<sup id="cite_ref-Reed_1-0" class="reference"><a href="#cite_note-Reed-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </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=NASA_M2-F1&action=edit&section=1" title="Edit section: Development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The lifting-body concept originated in the mid-1950s at the <a href="/wiki/National_Advisory_Committee_for_Aeronautics" title="National Advisory Committee for Aeronautics">National Advisory Committee for Aeronautics</a>' <a href="/wiki/Ames_Aeronautical_Laboratory" class="mw-redirect" title="Ames Aeronautical Laboratory">Ames Aeronautical Laboratory</a>, <a href="/wiki/Mountain_View,_Santa_Clara_County,_California" class="mw-redirect" title="Mountain View, Santa Clara County, California">Mountain View, California</a>. By February 1962, a series of possible shapes had been developed, and <a href="/wiki/R._Dale_Reed" title="R. Dale Reed">R. Dale Reed</a> was working to gain support for a research vehicle. </p><p>The construction of the M2-F1 was a joint effort by Dryden and a local glider manufacturer, the <a href="/wiki/Briegleb_Glider_Company" class="mw-redirect" title="Briegleb Glider Company">Briegleb Glider Company</a>. The budget was US$30,000. NASA craftsmen and engineers built the tubular steel interior frame. Its mahogany plywood shell was handmade by Gus Briegleb and company. Ernie Lowder, a NASA craftsman who had worked on <a href="/wiki/Howard_Hughes" title="Howard Hughes">Howard Hughes</a>'s <a href="/wiki/Hughes_H-4_Hercules" title="Hughes H-4 Hercules">H-4 Hercules</a> ("Spruce Goose"), was assigned to help Briegleb. </p><p>Final assembly of the remaining components (including aluminum tail surfaces, pushrod controls, and landing gear from a <a href="/wiki/Cessna_150" title="Cessna 150">Cessna 150</a>, later replaced by <a href="/wiki/Cessna_180" class="mw-redirect" title="Cessna 180">Cessna 180</a> landing gear<sup id="cite_ref-Jenkins_2-0" class="reference"><a href="#cite_note-Jenkins-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>) was done at the NASA facility. </p><p>The wingless, lifting-body aircraft design was initially conceived as a means of landing a spacecraft horizontally after atmospheric reentry. The absence of wings would make the extreme heat of reentry less damaging to the vehicle. Rather than using a ballistic reentry trajectory like a <a href="/wiki/Apollo_command_and_service_module#Command_module_(CM)" title="Apollo command and service module">Command Module</a>, very limited in maneuvering range, a lifting-body vehicle had a <a href="/wiki/Landing_footprint" title="Landing footprint">landing footprint</a> of the size of <a href="/wiki/California" title="California">California</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Tow_testing">Tow testing</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NASA_M2-F1&action=edit&section=2" title="Edit section: Tow testing"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:M2-F1_with_towing_car.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/M2-F1_with_towing_car.jpg/220px-M2-F1_with_towing_car.jpg" decoding="async" width="220" height="152" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/M2-F1_with_towing_car.jpg/330px-M2-F1_with_towing_car.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8f/M2-F1_with_towing_car.jpg/440px-M2-F1_with_towing_car.jpg 2x" data-file-width="3030" data-file-height="2091" /></a><figcaption>The M2-F1 and its 1963 <a href="/wiki/Pontiac_(automobile)" title="Pontiac (automobile)">Pontiac</a> convertible tow vehicle</figcaption></figure> <p>The first flight tests of the M2-F1 were at <a href="/wiki/Rogers_Dry_Lake" title="Rogers Dry Lake">Rogers Dry Lake</a>, at the end of a tow rope attached to a 1963 <a href="/wiki/Pontiac_Catalina" title="Pontiac Catalina">Pontiac Catalina</a> convertible. On April 5, 1963 test pilot <a href="/wiki/Milton_Orville_Thompson" title="Milton Orville Thompson">Milt Thompson</a> lifted the M2-F1's nose off the ground for the first time while being towed.<sup id="cite_ref-Jenkins_2-1" class="reference"><a href="#cite_note-Jenkins-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The speed was 86 miles per hour (138 km/h). The little craft seemed to bounce uncontrollably between the main landing gear wheels, and stopped when he lowered the nose to the ground. He tried again, but each time with the same results. He felt it was a landing gear problem that could have caused the aircraft to roll on its back if he had lifted the main gear off the ground. </p><p>After looking at movies of the tests, it was decided that the bouncing was probably caused by unwanted <a href="/wiki/Aircraft_flight_control_system" title="Aircraft flight control system">rudder</a> movements. The control system was modified so that the joystick controlled the <a href="/wiki/Elevon" title="Elevon">elevons</a> rather than the rudder, which solved the problem. </p><p>It was found that the car used to tow the aircraft was not powerful enough to lift the M2-F1 entirely off the ground, so the FRC arranged to have the tow car <a href="/wiki/Hot_rod" title="Hot rod">hot-rodded</a> by Bill Straub: the modifications tuned the engine for increased power, added a rollbar, and turned the front passenger seat to face aft so the passenger could observe the aircraft. This proved successful, and tow tests continued.<sup id="cite_ref-Jenkins_2-2" class="reference"><a href="#cite_note-Jenkins-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Speeds on tow inched up to 110 miles per hour (180 km/h), which allowed Thompson to climb to about 20 feet (6.1 m), then glide for about 20 seconds after releasing the line. That was the most that could be expected during an auto tow. </p> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:M2-F1_in_Tow_-_GPN-2000-000097.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/M2-F1_in_Tow_-_GPN-2000-000097.jpg/220px-M2-F1_in_Tow_-_GPN-2000-000097.jpg" decoding="async" width="220" height="244" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/M2-F1_in_Tow_-_GPN-2000-000097.jpg/330px-M2-F1_in_Tow_-_GPN-2000-000097.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4c/M2-F1_in_Tow_-_GPN-2000-000097.jpg/440px-M2-F1_in_Tow_-_GPN-2000-000097.jpg 2x" data-file-width="2400" data-file-height="2664" /></a><figcaption>M2-F1 in tow behind a NASA R4D tow plane.</figcaption></figure> <p>These initial tests produced enough flight data about the M2-F1 to proceed with flights behind a NASA R4D tow plane at greater altitudes.<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> </p> <div class="mw-heading mw-heading2"><h2 id="Flight_testing">Flight testing</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NASA_M2-F1&action=edit&section=3" title="Edit section: Flight testing"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A NASA R4D, the Navy designation for the Douglas DC-3, was used for all of the air tows. The first was on August 16, 1963. The M2-F1 had recently been equipped with an ejection seat and small rockets – referred to by the test team as "instant <a href="/wiki/Lift-to-drag_ratio" title="Lift-to-drag ratio">L/D</a>"<sup id="cite_ref-Jenkins_2-3" class="reference"><a href="#cite_note-Jenkins-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> – in the tail to extend the <a href="/wiki/Landing_flare" title="Landing flare">landing flare</a> for about 5 seconds if needed, and Thompson prepared for the flight with a few more tows behind the Pontiac. </p><p>Forward visibility in the M2-F1 was very limited on tow, requiring Thompson to fly about 20 feet (6.1 m) higher than the C-47, so he could see the plane through the nose window. Towing speed was about 100 miles per hour (160 km/h). </p><p>The C-47 took the craft to an altitude of 12,000 feet (3,700 m), where free flights back to Rogers Dry Lake began. Pilot for the first series of flights of the M2-F1 was NASA research pilot Milt Thompson. Typical glide flights with the M2-F1 lasted about two minutes and reached speeds of 110 to 120 miles per hour (180 to 190 km/h). </p><p>Tow release was at 12,000 feet (3,700 m). The lifting body descended at an average rate of about 3,600 feet per minute (1,100 m/min). At 1,000 feet (300 m) above the ground, the nose was lowered to increase speed to about 150 miles per hour (240 km/h), flare was at 200 feet (61 m) from a 20° dive. The landing was smooth, and the lifting-body program was on its way. </p><p>The M2-F1 was flown until August 16, 1966. It proved the lifting-body concept and led the way for subsequent metal "heavyweight" designs. <a href="/wiki/Chuck_Yeager" title="Chuck Yeager">Chuck Yeager</a>, <a href="/wiki/Bruce_Peterson" title="Bruce Peterson">Bruce Peterson</a> and <a href="/wiki/Donald_L._Mallick" title="Donald L. Mallick">Donald L. Mallick</a> also flew the M2-F1. </p><p>More than 400 ground tows and 77 aircraft tow flights were carried out with the M2-F1. The success of Dryden's M2-F1 program led to NASA's development and construction of two heavyweight lifting bodies based on studies at NASA's Ames and Langley research centers – the <a href="/wiki/Northrop_M2-F2" title="Northrop M2-F2">Northrop M2-F2</a> and the <a href="/wiki/Northrop_HL-10" title="Northrop HL-10">Northrop HL-10</a>, both built by the Northrop Corporation, and the U.S. Air Force's <a href="/wiki/Martin-Marietta_X-24" class="mw-redirect" title="Martin-Marietta X-24">X-24</a> program. The lifting-body program also heavily influenced the <a href="/wiki/Space_Shuttle" title="Space Shuttle">Space Shuttle</a> program. </p><p>The M2-F1 program demonstrated the feasibility of the lifting-body concept for horizontal landings of atmospheric entry vehicles. It also demonstrated a procurement and management concept for prototype flight research vehicles that produced rapid results at very low cost (approximately US$50,000, excluding salaries of government employees assigned to the project). </p> <div class="mw-heading mw-heading3"><h3 id="Pilots">Pilots</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NASA_M2-F1&action=edit&section=4" title="Edit section: Pilots"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Milton_Orville_Thompson" title="Milton Orville Thompson">Milt Thompson</a> – 45 flights</li> <li><a href="/wiki/Bruce_Peterson" title="Bruce Peterson">Bruce Peterson</a> – 17 flights</li> <li><a href="/wiki/Chuck_Yeager" title="Chuck Yeager">Chuck Yeager</a> – 5 flights</li> <li>Donald M. Sorlie – 5 flights</li> <li><a href="/wiki/Donald_L._Mallick" title="Donald L. Mallick">Donald L. Mallick</a> – 2 flights</li> <li><a href="/wiki/Jerauld_R._Gentry" title="Jerauld R. Gentry">Jerauld R. Gentry</a> – 2 flights</li> <li><a href="/wiki/William_H._Dana" title="William H. Dana">Bill Dana</a> – 1 flight</li> <li><a href="/wiki/James_W._Wood" title="James W. Wood">James W. Wood</a> – 1 ground tow</li> <li><a href="/wiki/Fred_Haise" title="Fred Haise">Fred Haise</a> – 1 ground tow</li> <li><a href="/wiki/Joe_Engle" title="Joe Engle">Joe Engle</a> – 1 ground tow</li></ul> <div class="mw-heading mw-heading3"><h3 id="Aircraft_serial_number">Aircraft serial number</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NASA_M2-F1&action=edit&section=5" title="Edit section: Aircraft serial number"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>NASA M2-F1</b> – N86652, 77 flights, 400 ground tows</li></ul> <div class="mw-heading mw-heading2"><h2 id="Aircraft_on_display">Aircraft on display</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NASA_M2-F1&action=edit&section=6" title="Edit section: Aircraft on display"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As of January 23, 2015, M2-F1 N86652 is on display at the <a href="/wiki/Air_Force_Flight_Test_Museum" title="Air Force Flight Test Museum">Air Force Flight Test Museum</a> on <a href="/wiki/Edwards_Air_Force_Base" title="Edwards Air Force Base">Edwards Air Force Base</a>, California.<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> </p> <div class="mw-heading mw-heading2"><h2 id="Specifications">Specifications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NASA_M2-F1&action=edit&section=7" title="Edit section: Specifications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:NASA_M2-F1_diagram.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/NASA_M2-F1_diagram.png/300px-NASA_M2-F1_diagram.png" decoding="async" width="300" height="173" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/29/NASA_M2-F1_diagram.png/450px-NASA_M2-F1_diagram.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/29/NASA_M2-F1_diagram.png/600px-NASA_M2-F1_diagram.png 2x" data-file-width="776" data-file-height="447" /></a><figcaption>NASA M2-F1 lifting-body diagram</figcaption></figure> <p><span style="font-size:120%"><b>General characteristics</b></span> </p> <ul><li><b>Crew:</b> 1</li> <li><b>Length:</b> 20 ft (6.1 m)</li> <li><b>Wingspan:</b> 14 ft 2 in (4.32 m)</li> <li><b>Height:</b> 9 ft 6 in (2.90 m)</li> <li><b>Wing area:</b> 139 sq ft (12.9 m<sup>2</sup>)</li> <li><b>Empty weight:</b> 1,000 lb (454 kg)</li> <li><b>Gross weight:</b> 1,182 lb (536 kg)</li> <li><b>Max takeoff weight:</b> 1,250 lb (567 kg)</li></ul> <p><span style="font-size:120%"><b>Performance</b></span> </p> <ul><li><b><a href="/wiki/V_speeds#VNE" title="V speeds">Never exceed speed</a>:</b> 130 kn (150 mph, 240 km/h) <br /></li> <li><b>Aerotow speed:</b> 87 kn (100 mph; 161 km/h)</li> <li><b>Rate of sink:</b> 3,600 ft/min (18 m/s)</li> <li><b>Wing loading:</b> 9 lb/sq ft (44 kg/m<sup>2</sup>)</li></ul> <div class="mw-heading mw-heading2"><h2 id="Flights">Flights</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NASA_M2-F1&action=edit&section=8" title="Edit section: Flights"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" style="background-color:white"> <tbody><tr style="background:#efefef;"> <th>Vehicle<br />Flight # </th> <th>Date </th> <th>Pilot </th> <th>Duration </th> <th>Velocity<br />(km/h) </th> <th>Altitude<br />(m) </th> <th>Comments </th></tr> <tr> <td><b>M2-F1 #0</b> </td> <td>March 1, 1963 </td> <td>Thompson </td> <td>- </td> <td>135 </td> <td>0 </td> <td>First Ground Tow.<br />400 total ground tows. </td></tr> <tr> <td><b>M2-F1 #1</b> </td> <td>August 16, 1963 </td> <td>Thompson </td> <td>0:02:00 </td> <td>240 </td> <td>3,650 </td> <td>First M2-F1 Flight. 77 total flights. </td></tr> <tr> <td><b>M2-F1 #2</b> </td> <td>August 28, 1963 </td> <td>Thompson </td> <td>0:02:09 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #3</b> </td> <td>August 29, 1963 </td> <td>Thompson </td> <td>0:02:25 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #4</b> </td> <td>August 30, 1963 </td> <td>Thompson </td> <td>0:04:42 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of day </td></tr> <tr> <td><b>M2-F1 #5</b> </td> <td>August 30, 1963 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of day </td></tr> <tr> <td><b>M2-F1 #6</b> </td> <td>September 3, 1963 </td> <td>Thompson </td> <td>0:04:50 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of day </td></tr> <tr> <td><b>M2-F1 #7</b> </td> <td>September 3, 1963 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of day </td></tr> <tr> <td><b>M2-F1 #8</b> </td> <td>October 7, 1963 </td> <td>Thompson </td> <td>0:01:26 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #9</b> </td> <td>October 9, 1963 </td> <td>Thompson </td> <td>0:01:51 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #10</b> </td> <td>October 15, 1963 </td> <td>Thompson </td> <td>0:02:20 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #11</b> </td> <td>October 23, 1963 </td> <td>Thompson </td> <td>0:03:00 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #12</b> </td> <td>October 25, 1963 </td> <td>Thompson </td> <td>0:03:52 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #13</b> </td> <td>October 25, 1963 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #14</b> </td> <td>November 8, 1963 </td> <td>Thompson </td> <td>0:07:45 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #15</b> </td> <td>November 8, 1963 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #16</b> </td> <td>November 8, 1963 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>3rd flight of the day </td></tr> <tr> <td><b>M2-F1 #17</b> </td> <td>December 3, 1963 </td> <td>Thompson </td> <td>0:01:00 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #18</b> </td> <td>December 3, 1963 </td> <td>Yeager </td> <td>0:01:35 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #19</b> </td> <td>December 3, 1963 </td> <td>Peterson </td> <td>0:03:15 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #20</b> </td> <td>December 3, 1963 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day<br />Broke landing gear </td></tr> <tr> <td><b>M2-F1 #21</b> </td> <td>January 29, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #22</b> </td> <td>January 29, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #23</b> </td> <td>January 29, 1964 </td> <td>Peterson </td> <td>0:04:44 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #24</b> </td> <td>January 29, 1964 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #25</b> </td> <td>January 29, 1964 </td> <td>Yeager </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #26</b> </td> <td>January 29, 1964 </td> <td>Yeager </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #27</b> </td> <td>January 30, 1964 </td> <td>Yeager </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #28</b> </td> <td>January 30, 1964 </td> <td>Yeager </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #29</b> </td> <td>January 30, 1964 </td> <td>Mallick </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #30</b> </td> <td>January 30, 1964 </td> <td>Mallick </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #31</b> </td> <td>February 28, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #32</b> </td> <td>February 28, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #33</b> </td> <td>March 30, 1964 </td> <td>Peterson </td> <td>0:02:25 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #34</b> </td> <td>April 9, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #35</b> </td> <td>April 9, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #36</b> </td> <td>April 9, 1964 </td> <td>Peterson </td> <td>0:08:00 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #37</b> </td> <td>April 9, 1964 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #38</b> </td> <td>April 9, 1964 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>3rd flight of the day </td></tr> <tr> <td><b>M2-F1 #39</b> </td> <td>May 19, 1964 </td> <td>Peterson </td> <td>0:04:08 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #40</b> </td> <td>May 19, 1964 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #41</b> </td> <td>June 3, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #42</b> </td> <td>July 24, 1964 </td> <td>Peterson </td> <td>0:06:50 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #43</b> </td> <td>July 24, 1964 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #44</b> </td> <td>July 24, 1964 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>3rd flight of the day </td></tr> <tr> <td><b>M2-F1 #45</b> </td> <td>August 18, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #46</b> </td> <td>August 21, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #47</b> </td> <td>August 21, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #48</b> </td> <td>August 21, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>3rd flight of the day </td></tr> <tr> <td><b>M2-F1 #49</b> </td> <td>August 21, 1964 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>4th flight of the day </td></tr> <tr> <td><b>M2-F1 #50</b> </td> <td>February 16, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #51</b> </td> <td>May 27, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #52</b> </td> <td>May 27, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #53</b> </td> <td>May 27, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>3rd flight of the day </td></tr> <tr> <td><b>M2-F1 #54</b> </td> <td>May 27, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>4th flight of the day </td></tr> <tr> <td><b>M2-F1 #55</b> </td> <td>May 27, 1965 </td> <td>Sorlie </td> <td>0:06:00 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #56</b> </td> <td>May 27, 1965 </td> <td>Sorlie </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #57</b> </td> <td>May 27, 1965 </td> <td>Sorlie </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>3rd flight of the day </td></tr> <tr> <td><b>M2-F1 #58</b> </td> <td>May 28, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #59</b> </td> <td>May 28, 1965 </td> <td>Sorlie </td> <td>0:04:30 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #60</b> </td> <td>May 28, 1965 </td> <td>Sorlie </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #61</b> </td> <td>July 16, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #62</b> </td> <td>July 16, 1965 </td> <td>Dana </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #63</b> </td> <td>July 16, 1965 </td> <td>Gentry </td> <td>0:00:09 </td> <td>200 </td> <td>10 </td> <td>Rolled M2-F1 on liftoff.<br />Recovered. Safe landing. </td></tr> <tr> <td><b>M2-F1 #64</b> </td> <td>August 30, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #65</b> </td> <td>August 30, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #66</b> </td> <td>August 30, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>3rd flight of the day </td></tr> <tr> <td><b>M2-F1 #67</b> </td> <td>August 31, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #68</b> </td> <td>October 6, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #69</b> </td> <td>October 6, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #70</b> </td> <td>October 8, 1965 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #71</b> </td> <td>March 28, 1966 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #72</b> </td> <td>March 28, 1966 </td> <td>Thompson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #73</b> </td> <td>August 4, 1966 </td> <td>Peterson </td> <td>0:02:00 </td> <td>240 </td> <td>3,650 </td> <td>- </td></tr> <tr> <td><b>M2-F1 #74</b> </td> <td>August 5, 1966 </td> <td>Peterson </td> <td>0:04:00 </td> <td>240 </td> <td>3,650 </td> <td>1st flight of the day </td></tr> <tr> <td><b>M2-F1 #75</b> </td> <td>August 5, 1966 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>2nd flight of the day </td></tr> <tr> <td><b>M2-F1 #76</b> </td> <td>August 5, 1966 </td> <td>Peterson </td> <td>- </td> <td>240 </td> <td>3,650 </td> <td>3rd flight of the day </td></tr> <tr> <td><b>M2-F1 #77</b> </td> <td>August 16, 1966 </td> <td>Gentry </td> <td>- </td> <td>200 </td> <td>10 </td> <td>Rolled M2-F1 on liftoff. Recovered.<br />Fired landing rockets.<br />Safe landing. Last flight. </td></tr></tbody></table> <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=NASA_M2-F1&action=edit&section=9" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:NASA_M2-F1" class="extiw" title="commons:Category:NASA M2-F1">NASA M2-F1</a></span>.</div></div> </div> <p> <b>Related development</b> </p> <ul><li><a href="/wiki/Northrop_M2-F2" title="Northrop M2-F2">Northrop M2-F2</a></li> <li><a href="/wiki/Northrop_M2-F3" title="Northrop M2-F3">Northrop M2-F3</a></li></ul> <p><b>Aircraft of comparable role, configuration, and era</b> </p> <ul><li><a href="/wiki/Martin_Marietta_X-24A" class="mw-redirect" title="Martin Marietta X-24A">Martin Marietta X-24A</a></li> <li><a href="/wiki/Martin_X-23_PRIME" title="Martin X-23 PRIME">Martin X-23 PRIME</a></li> <li><a href="/wiki/Northrop_HL-10" title="Northrop HL-10">Northrop HL-10</a></li></ul> <p> <b>Related lists</b> </p> <ul><li><a href="/wiki/List_of_experimental_aircraft" title="List of experimental aircraft">List of experimental aircraft</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=NASA_M2-F1&action=edit&section=10" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Reed-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Reed_1-0">^</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 id="CITEREFReedDarlene_Lister2002" class="citation book cs1">Reed, R. Dale; Darlene Lister (2002). <i>Wingless Flight: The Lifting Body Story</i>. University Press of Kentucky. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-8131-9026-6" title="Special:BookSources/0-8131-9026-6"><bdi>0-8131-9026-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Wingless+Flight%3A+The+Lifting+Body+Story&rft.pub=University+Press+of+Kentucky&rft.date=2002&rft.isbn=0-8131-9026-6&rft.aulast=Reed&rft.aufirst=R.+Dale&rft.au=Darlene+Lister&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANASA+M2-F1" class="Z3988"></span></span> </li> <li id="cite_note-Jenkins-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Jenkins_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Jenkins_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Jenkins_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Jenkins_2-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJenkins2001" class="citation book cs1">Jenkins, Dennis R. (2001). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/spaceshuttlehist0000jenk"><i>Space Shuttle: The History of the National Space Transportation System</i></a></span> (3rd ed.). Voyageur Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-9633974-5-1" title="Special:BookSources/0-9633974-5-1"><bdi>0-9633974-5-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Space+Shuttle%3A+The+History+of+the+National+Space+Transportation+System&rft.edition=3rd&rft.pub=Voyageur+Press&rft.date=2001&rft.isbn=0-9633974-5-1&rft.aulast=Jenkins&rft.aufirst=Dennis+R.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fspaceshuttlehist0000jenk&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANASA+M2-F1" 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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nasa.gov/image-article/where-are-they-now-m2-f1-lifting-body/">"Where Are They Now: M2-F1 Lifting Body - NASA"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2024-02-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Where+Are+They+Now%3A+M2-F1+Lifting+Body+-+NASA&rft_id=https%3A%2F%2Fwww.nasa.gov%2Fimage-article%2Fwhere-are-they-now-m2-f1-lifting-body%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANASA+M2-F1" 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"><a rel="nofollow" class="external text" href="http://projecthabu.com/post/109735545635/on-january-23-2015-after-decades-of">Project Habu: M2-F1</a></span> </li> </ol></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/19990209081315/http://www.dfrc.nasa.gov/gallery/photo/M2-F1/">NASA Dryden M2-F1 Photo Collection</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist 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abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><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 href="/wiki/Lockheed_Martin_X-59_Quesst" title="Lockheed Martin X-59 Quesst">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/RS1_(rocket)" title="RS1 (rocket)">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 class="mw-selflink selflink">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><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=NASA_M2-F1&oldid=1246200026">https://en.wikipedia.org/w/index.php?title=NASA_M2-F1&oldid=1246200026</a>"</div></div> <div id="catlinks" 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