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<div class="mw-indicators"> </div> <div id="siteSub" 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"><p class="mw-empty-elt"> </p> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Military reconnaissance aircraft</div> <table class="infobox" style="width:25.5em;border-spacing:2px;"> <tbody><tr> <th colspan="2" style="text-align: center; font-size: 125%;">RB-57D Canberra </th></tr> <tr> <td colspan="2" style="text-align: center;"><span typeof="mw:File"><a href="/wiki/File:RB-57D_53-3979.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/RB-57D_53-3979.jpg/300px-RB-57D_53-3979.jpg" decoding="async" width="300" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/RB-57D_53-3979.jpg/450px-RB-57D_53-3979.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/77/RB-57D_53-3979.jpg/600px-RB-57D_53-3979.jpg 2x" data-file-width="850" data-file-height="511" /></a></span> </td></tr> <tr> <td colspan="2" style="border-bottom: 1px solid #aaa;text-align:center;">Martin RB-57D-2 Model 796 53-3979 collecting atmospheric particle samples during Juniper nuclear bomb explosion; <a href="/wiki/Operation_Hardtack_I" title="Operation Hardtack I">Operation Hardtack I</a> <a href="/wiki/Bikini_atomic_experiments" class="mw-redirect" title="Bikini atomic experiments">Bikini atomic experiments</a>, 22 July 1958. </td></tr> <tr> <th>Role </th> <td>Reconnaissance<div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Type of aircraft</div> </td></tr> <tr> <th>Manufacturer </th> <td><a href="/wiki/Glenn_L._Martin_Company" title="Glenn L. Martin Company">Martin</a> </td></tr> <tr> <th>First flight </th> <td>3 November 1955 </td></tr> <tr> <th>Introduction </th> <td>April 1956 </td></tr> <tr> <th>Retired </th> <td>1979 (EB-57D) </td></tr> <tr> <th>Status </th> <td>Retired </td></tr> <tr> <th>Primary users </th> <td><a href="/wiki/United_States_Air_Force" title="United States Air Force">United States Air Force</a><br /><a href="/wiki/Republic_of_China_Air_Force" title="Republic of China Air Force">Republic of China Air Force</a> </td></tr> <tr> <th><span class="nowrap">Number built</span> </th> <td>20 </td></tr> <tr> <th><span class="nowrap">Developed from</span> </th> <td><a href="/wiki/Martin_B-57_Canberra" title="Martin B-57 Canberra">Martin B-57 Canberra</a> </td></tr> <tr> <th><span class="nowrap">Developed into</span> </th> <td><a href="/wiki/Martin/General_Dynamics_RB-57F_Canberra" title="Martin/General Dynamics RB-57F Canberra">Martin/General Dynamics RB-57F Canberra</a> </td></tr> </tbody></table> <p>The <b>Martin RB-57D Canberra</b> is a specialized high-altitude strategic <a href="/wiki/Reconnaissance_aircraft" title="Reconnaissance aircraft">reconnaissance aircraft</a> developed from the <a href="/wiki/Martin_B-57_Canberra" title="Martin B-57 Canberra">Martin B-57 Canberra</a> tactical bomber, a license-built version of the <a href="/wiki/English_Electric_Canberra" title="English Electric Canberra">English Electric Canberra</a>. It was used by the United States Air Force during the 1950s prior to operational use of the <a href="/wiki/Lockheed_U-2" title="Lockheed U-2">Lockheed U-2</a>. </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=Martin_RB-57D_Canberra&action=edit&section=1" title="Edit section: Development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The RB-57D was built strictly as a high-altitude reconnaissance aircraft. It originated in a December 1952 USAF study funded by the <a href="/wiki/Aeronautical_Systems_Center" title="Aeronautical Systems Center">Wright Air Development Center</a> for a <a href="/wiki/Turbojet" title="Turbojet">turbojet</a>-powered special reconnaissance aircraft with a radius of 2,000 nautical miles (3,700 km; 2,300 mi) that could operate at altitudes of 65,000 feet (20,000 m). Subsonic performance was considered to be acceptable and it was felt that no defensive armament would be needed. The RB-57D was unique and set the stage for high-altitude reconnaissance operations in the rarefied air of the <a href="/wiki/Stratosphere" title="Stratosphere">stratosphere</a>. Preliminary specifications were prepared by the Air Force on 27 March 1953. The project was carried out in high secrecy. It was known as Weapon System MX-2147, and the code name was Bald Eagle.<sup id="cite_ref-usaffs_1-0" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Mikesh_2-0" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>The basic B-57 Canberra design was used as a starting point for the D model, but there were several significant changes incorporated. The most obvious was the greatly enlarged wing. The wingspan was lengthened by 42 feet (13 m) to 106 feet (32 m) overall. The <a href="/wiki/Chord_(aeronautics)" title="Chord (aeronautics)">chord</a> of the wing was also increased, which combined with the increased length gave the wing a very high lift capability.<sup id="cite_ref-usaffs_1-1" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The second major change to the RB-57D was the addition of <a href="/wiki/Pratt_%26_Whitney" title="Pratt & Whitney">Pratt & Whitney</a> J57 engines in place of the Wright J65 engines used on all earlier B-57 models. The two J57 engines produced about 20,000 <a href="/wiki/Pound_(force)" title="Pound (force)">lbf</a> (89.0 <a href="/wiki/Newton_(unit)" title="Newton (unit)">kN</a>) total thrust, about 6,000 <a href="/wiki/Pound_(force)" title="Pound (force)">lbf</a> (26.7 <a href="/wiki/Newton_(unit)" title="Newton (unit)">kN</a>) more than the two J65 engines. Other changes in the D model included removal of all fuselage fuel tanks and the addition of "wet wing" fuel cells. All defensive armament was removed, and the bomb bay was also removed and replaced by avionics equipment. The horizontal <a href="/wiki/Stabilizer_(aeronautics)" title="Stabilizer (aeronautics)">stabilizer</a> was changed to the variable incidence or "all flying" type. Spoilers were added to the outboard wings to assist the ailerons in roll axis control.<sup id="cite_ref-usaffs_1-2" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Despite the very enlarged wing, an empty RB-57D weighed not much more than an empty B-57 due to the lightening measures taken. The most extreme measures were taken with the wings, which were thin metal honeycomb sections that formed a full wet wing (even in the leading edges). To avoid the weight of rivets, the wings were assembled with a special glue. The wing skin was waxed for aerodynamic smoothness. With a surface skin of only 0.010 inch thick, dropping a small tool on the wing could damage the skin. Even deicing fluid used on the aircraft could potentially cause the glue used to lose strength.<sup id="cite_ref-Mikesh_2-1" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>On takeoff, only 50% engine power was necessary for a takeoff ground roll of about 2,000 feet (610 m). Climbing at 25–30 degrees, the RB-57Ds could reach 50,000 feet (15,000 m) in just 15 minutes. Maximum cruise altitude was 65,000 feet (20,000 m) and the pilots wore full pressure suits. With 200 US gallons (760 L; 170 imp gal) of fuel less than a stock B-57, the RB-57D had twice the duration, approximately seven hours compared to four hours for a B-57. Landing was challenging, as the big wing would fly at very low speeds, and the small thrust the engines produced at idle made it difficult to reduce speed for touchdown. Even with the spoilers out and landing gear extended, the plane had a very low sink rate and pilots resorted to holding the RB-57Ds into a series of slight stalls to get the aircraft down to the runway.<sup id="cite_ref-Mikesh_2-2" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Production">Production</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Martin_RB-57D_Canberra&action=edit&section=2" title="Edit section: Production"><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:WB-57D_and_B-57A_in_flight_1950s.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/WB-57D_and_B-57A_in_flight_1950s.jpg/220px-WB-57D_and_B-57A_in_flight_1950s.jpg" decoding="async" width="220" height="170" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/WB-57D_and_B-57A_in_flight_1950s.jpg/330px-WB-57D_and_B-57A_in_flight_1950s.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c0/WB-57D_and_B-57A_in_flight_1950s.jpg/440px-WB-57D_and_B-57A_in_flight_1950s.jpg 2x" data-file-width="4096" data-file-height="3156" /></a><figcaption>Martin RB-57D 53-3977 shown in-flight with a Tactical Air Command B-57A bomber (black plane in this formation)</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Martin_RB-57D_USAF.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Martin_RB-57D_USAF.jpg/220px-Martin_RB-57D_USAF.jpg" decoding="async" width="220" height="135" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Martin_RB-57D_USAF.jpg/330px-Martin_RB-57D_USAF.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/94/Martin_RB-57D_USAF.jpg/440px-Martin_RB-57D_USAF.jpg 2x" data-file-width="1800" data-file-height="1101" /></a><figcaption>RB-57D 53-3982 at the <a href="/wiki/National_Museum_of_the_United_States_Air_Force" title="National Museum of the United States Air Force">National Museum of the United States Air Force</a></figcaption></figure> <p>Only 20 RB-57Ds were built, but there were four basic variants that each had mission specific changes incorporated into the design.<sup id="cite_ref-usaffs_1-3" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <ul><li>6 – RB-57D Model 294 (53-3977 to 53-3982) – (Group A) Basic configuration built as single-seat aircraft. The primary mission of these aircraft was high-altitude photo reconnaissance. There were four reconnaissance cameras (two K38 and two KC1) mounted in the forward lower fuselage.<sup id="cite_ref-usaffs_1-4" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li>7 – RB-57D Model 744 (53-3970 to 53-3976) – (Group B) Basic configuration with in-flight refuelling.<sup id="cite_ref-usaffs_1-5" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li>1 – RB-57D-1 (53-3963) – (Type C) Single-seat basic version, but its mission was electronic (radar) reconnaissance. This type didn't have any cameras but had an extensive suite of radar equipment installed throughout the fuselage. The aircraft had a nose radome housing an AN/APN-107 radar antenna. A number of search radars and an AN/APQ-56 Side Looking Airborne Radar (SLAR) were mounted within the fuselage. The SLAR was primarily used for radar mapping and its antennas were mounted on the lower fuselage just below the aft wing. These antennas gave the D-1 a unique appearance.<sup id="cite_ref-usaffs_1-6" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li>6 – RB-57D-2 Model 796 (53-3964 to 53-3969) – (Group D) Dual-seat version, pilot and electronic warfare officer/observer—and was designed for the electronic ferret mission. The aircraft had the same AN/APN-107 nose radar, but also had an AN/APA-69A radar with an antenna mounted in a distinctive belly radome.<sup id="cite_ref-usaffs_1-7" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li></ul> <p>The first RB-57D flew on 5 November 1955.<sup id="cite_ref-Mikesh_2-3" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Operational_history">Operational history</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Martin_RB-57D_Canberra&action=edit&section=3" title="Edit section: Operational history"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="USAF">USAF</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Martin_RB-57D_Canberra&action=edit&section=4" title="Edit section: USAF"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File"><a href="/wiki/File:4025th_Strategic_Reconnaissance_Squadron_-_Emblem.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/4025th_Strategic_Reconnaissance_Squadron_-_Emblem.png/100px-4025th_Strategic_Reconnaissance_Squadron_-_Emblem.png" decoding="async" width="100" height="115" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/4025th_Strategic_Reconnaissance_Squadron_-_Emblem.png/150px-4025th_Strategic_Reconnaissance_Squadron_-_Emblem.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/4025th_Strategic_Reconnaissance_Squadron_-_Emblem.png/200px-4025th_Strategic_Reconnaissance_Squadron_-_Emblem.png 2x" data-file-width="300" data-file-height="345" /></a><figcaption></figcaption></figure> <figure class="mw-halign-left" typeof="mw:File"><a href="/wiki/File:7407th_Support_Squadron-_Emblem.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/7407th_Support_Squadron-_Emblem.png/100px-7407th_Support_Squadron-_Emblem.png" decoding="async" width="100" height="64" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/7407th_Support_Squadron-_Emblem.png/150px-7407th_Support_Squadron-_Emblem.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/7407th_Support_Squadron-_Emblem.png/200px-7407th_Support_Squadron-_Emblem.png 2x" data-file-width="612" data-file-height="391" /></a><figcaption></figcaption></figure> <figure class="mw-halign-left" typeof="mw:File"><a href="/wiki/File:4926th_Test_Squadron.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/91/4926th_Test_Squadron.png/100px-4926th_Test_Squadron.png" decoding="async" width="100" height="114" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/91/4926th_Test_Squadron.png/150px-4926th_Test_Squadron.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/91/4926th_Test_Squadron.png/200px-4926th_Test_Squadron.png 2x" data-file-width="300" data-file-height="341" /></a><figcaption></figcaption></figure> <p>The RB-57D remained in service for only about five years. The first deliveries were in April 1956 to the 4025th Strategic Reconnaissance Squadron, <a href="/wiki/4080th_Strategic_Reconnaissance_Wing" title="4080th Strategic Reconnaissance Wing">4080th Strategic Reconnaissance Wing</a>, which was a part of <a href="/wiki/Strategic_Air_Command" title="Strategic Air Command">Strategic Air Command</a> (SAC). Initially, the planes were to be based at <a href="/wiki/Lockbourne_AFB" class="mw-redirect" title="Lockbourne AFB">Lockbourne AFB</a>, Ohio, but they were soon relocated to <a href="/wiki/Naval_Air_Station_Albany#Turner_Air_Force_Base_(1947-66)" title="Naval Air Station Albany">Turner AFB</a>, Georgia.<sup id="cite_ref-Mikesh_2-4" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Jackson_3-0" class="reference"><a href="#cite_note-Jackson-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The squadron would become fully operational with its first six RB-57Ds only 120 days from the delivery of its first RB-57D. Those first six aircraft, all Group A RB-57Ds, deployed <a href="/wiki/Yokota_AB" class="mw-redirect" title="Yokota AB">Yokota AB</a>, Japan and to <a href="/wiki/Eielson_AFB" class="mw-redirect" title="Eielson AFB">Eielson AFB</a>, Alaska in late 1956 for reconnaissance missions over what is presumed to be <a href="/wiki/China" title="China">China</a>, <a href="/wiki/North_Korea" title="North Korea">North Korea</a> and the <a href="/wiki/Soviet_Union" title="Soviet Union">Soviet Union</a>. The detachment at Yokota was used to monitor fall-out from Soviet tests in Operation Sea Lion. Other sorties were flown over Communist China, the RB-57D's operational ceiling being well above that of Chinese <a href="/wiki/MiG-15" class="mw-redirect" title="MiG-15">MiG-15s</a>. The Eielson-based aircraft conducted ELINT around the <a href="/wiki/Kamchatka_Peninsula" title="Kamchatka Peninsula">Kamchatka Peninsula</a> of the Soviet Union. On 15 December 1956 three aircraft overflew <a href="/wiki/Vladivostok" title="Vladivostok">Vladivostok</a>.<sup id="cite_ref-Mikesh_2-5" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Jackson_3-1" class="reference"><a href="#cite_note-Jackson-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>In early 1956, the 4080th SR Wing moved to <a href="/wiki/Laughlin_AFB" class="mw-redirect" title="Laughlin AFB">Laughlin AFB</a>, Texas. Midair-refuelling capable RB-57Ds (Group B and the sole Type C) were deployed in 1957 to <a href="/wiki/Rhein-Main_AB" class="mw-redirect" title="Rhein-Main AB">Rhein-Main AB</a>, West Germany to support USAFE operations. All RB-57D operations were under heavy security and very little information ever leaked out about their early operations. They presumably carried out ELINT/SIGINT missions along the <a href="/wiki/East_German" class="mw-redirect" title="East German">East German</a> border and over the <a href="/wiki/Baltic_Sea" title="Baltic Sea">Baltic Sea</a>. Since the missions were carried out under an atmosphere of high secrecy, RB-57s returning from missions over the Baltic were often intercepted by <a href="/wiki/RAF" class="mw-redirect" title="RAF">RAF</a> <a href="/wiki/Hawker_Hunter" title="Hawker Hunter">Hawker Hunter</a> interceptors just to make sure that they were not Soviet aircraft. These particular versions of the RB-57Ds had the guts ripped out of the fuselage. They were equipped with a camera with a 24 feet (730 cm) focal length from lens to aperture. They produced individual frames that were developed as large as 4'x6' for CIA analysts to go over in great detail when looking for missile silos throughout Eastern Europe. The pilot and navigator who flew these missions never even got to view the film they shot. Upon landing a CIA employee would take the film before they even left their seats in their planes. When the 4025th SRS was inactivated in June 1959 the RB-57D aircraft were assigned to the <a href="/wiki/7407th_Support_Squadron" class="mw-redirect" title="7407th Support Squadron">7407th Support Squadron</a> at Rhein-Main AB, two additional aircraft added to complement including the unique RB-57D-1 equipped with SLR. Intelligence gathering sorties by the RB-57's in West Germany continued until 1964 when wing fatigue problems caused type to be withdrawn from service.<sup id="cite_ref-Mikesh_2-6" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Jackson_3-2" class="reference"><a href="#cite_note-Jackson-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The RB-57Ds of the <a href="/wiki/4926th_Test_Squadron" class="mw-redirect" title="4926th Test Squadron">4926th Test Squadron</a> (later 1211th Test Squadron) at <a href="/wiki/Kirtland_AFB" class="mw-redirect" title="Kirtland AFB">Kirtland AFB</a>, New Mexico, participated in support of atomic bomb tests at <a href="/wiki/Eniwetok_Atoll" class="mw-redirect" title="Eniwetok Atoll">Eniwetok Atoll</a> in the <a href="/wiki/Marshall_Islands" title="Marshall Islands">Marshall Islands</a> and at the AEC testing range in Nevada during 1957–1963. The high flying capability of the RB-57Ds allowed them to get nuclear particle samples from high in the atmosphere as part of the post-detonation analysis.<sup id="cite_ref-Mikesh_2-7" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="CIA">CIA</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Martin_RB-57D_Canberra&action=edit&section=5" title="Edit section: CIA"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 1958, the <a href="/wiki/Central_Intelligence_Agency" title="Central Intelligence Agency">Central Intelligence Agency</a> started sponsoring a program known as Diamond Lil, in which <a href="/wiki/Chinese_Nationalist" class="mw-redirect" title="Chinese Nationalist">Chinese Nationalist</a> pilots were trained to fly RB-57Ds. Six <a href="/wiki/Black_Cat_Squadron" title="Black Cat Squadron">Black Cat Squadron</a> Taiwanese pilots were trained on the B-57C at Laughlin AFB, Texas, arriving back in <a href="/wiki/Taiwan" title="Taiwan">Taiwan</a>, and two or three Group A RB-57Ds were ferried to <a href="/wiki/Taoyuan_Air_Base" title="Taoyuan Air Base">Taoyuan Air Base</a>, near <a href="/wiki/Taipei" title="Taipei">Taipei</a>, Taiwan in early 1959. During early 1959, they carried out deep penetration reconnaissance flights over the Chinese mainland, photographing airfields, military establishments and ports. They flew in <a href="/wiki/Republic_of_China_Air_Force" title="Republic of China Air Force">Republic of China Air Force</a> markings, being painted white on top and black on the bottom with lettering stenciled in red.<sup id="cite_ref-Jackson_3-3" class="reference"><a href="#cite_note-Jackson-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>RB-57D "5643", piloted by Capt Ying-Chin Wang, was shot down and killed on 7 October 1959 by a <a href="/wiki/People%27s_Liberation_Army" title="People's Liberation Army">People's Liberation Army</a> <a href="/wiki/SA-2" class="mw-redirect" title="SA-2">SA-2</a> <a href="/wiki/Surface-to-air_missile" title="Surface-to-air missile">surface-to-air missile</a>, which was the first successful shoot-down of an aircraft ever achieved by a SAM. It seems<sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Manual_of_Style/Words_to_watch#Unsupported_attributions" title="Wikipedia:Manual of Style/Words to watch"><span title="The material near this tag possibly uses too-vague attribution or weasel words. (April 2013)">who?</span></a></i>]</sup><sup class="noprint Inline-Template" style="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 time period mentioned near this tag is ambiguous. (April 2013)">when?</span></a></i>]</sup> that the pilot had made a premature descent while returning to Taiwan. The program ended around 1964, when fatigue problems with the wing spars forced the retirement of the surviving aircraft, which was returned to the US. They were replaced by four <a href="/wiki/Lockheed_U-2" title="Lockheed U-2">Lockheed U-2s</a>, all of which were subsequently lost in operations over the Chinese mainland.<sup id="cite_ref-Jackson_3-4" class="reference"><a href="#cite_note-Jackson-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Retirement">Retirement</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Martin_RB-57D_Canberra&action=edit&section=6" title="Edit section: Retirement"><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:B-57_of_the_4713th_RES.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/B-57_of_the_4713th_RES.jpg/220px-B-57_of_the_4713th_RES.jpg" decoding="async" width="220" height="226" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/B-57_of_the_4713th_RES.jpg/330px-B-57_of_the_4713th_RES.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/05/B-57_of_the_4713th_RES.jpg/440px-B-57_of_the_4713th_RES.jpg 2x" data-file-width="550" data-file-height="565" /></a><figcaption>EB-57D of the 4713th DSES flying over a General Electric AN/FPS-6 radar</figcaption></figure> <p>The pace of missions put a strain on the delicate wings of the RB-57D and the first aircraft were put into storage by SAC following two incidents when the wings outboard of the engine nacelles cracked and fell off during landing. Martin had designed the wings for only 500 flight hours and many of them had already exceeded that limit but strategic necessity resulted in the RB-57Ds still flying missions. The 4025th SRS was discontinued in June 1959. Some of the RB-57Ds that had been operating with the 4025th SRS were adapted to other specialist roles.<sup id="cite_ref-Mikesh_2-8" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Air_Defense_Command" class="mw-redirect" title="Air Defense Command">Air Defense Command</a> took over the remaining RB-57Ds to act as high-altitude targets for the supersonic interceptor force. Martin modified the wings to extend their service life. Fitted out with electronic countermeasures, the <a href="/wiki/4677th_Defense_Systems_Evaluation_Squadron" class="mw-redirect" title="4677th Defense Systems Evaluation Squadron">4677th Defense Systems Evaluation Squadron</a> at <a href="/wiki/Hill_AFB" class="mw-redirect" title="Hill AFB">Hill AFB</a>, Utah, was formed to operate 12 of the 20 RB-57Ds to fly training missions against continental Radar defense installations as electronic "aggressor" aircraft The upgrades to the electronic countermeasures to challenge the ADC interceptor crews resulted in these aircraft being designated EB-57Ds <sup id="cite_ref-usaffs_1-8" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Mikesh_2-9" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Some were used by NASA for high-altitude flight testing and terrain mapping. A few aircraft were transferred to Taiwan in the late 1950s for high-altitude reconnaissance missions.<sup id="cite_ref-usaffs_1-9" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Mikesh_2-10" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Six more RB-57Ds were used to monitor the last series of American atmospheric nuclear tests which took place in 1962. Three RB-57Ds were assigned to the 1211th Test Squadron (Sampling) of the <a href="/wiki/Military_Air_Transport_Service" title="Military Air Transport Service">MATS</a> <a href="/wiki/Air_Weather_Service" class="mw-redirect" title="Air Weather Service">Air Weather Service</a> at Kirtland AFB, New Mexico and were re-designated WB-57D.<sup id="cite_ref-usaffs_1-10" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>In 1964, an RB-57D which was operating on test flights out of <a href="/wiki/Wright-Patterson_AFB" class="mw-redirect" title="Wright-Patterson AFB">Wright-Patterson AFB</a> (53-3973), lost its wing at 50,000 feet (15,000 m) over <a href="/wiki/Dayton,_Ohio" title="Dayton, Ohio">Dayton, Ohio</a> and crashed into a schoolyard. No-one was injured and the pilot was able to eject safely. This mishap forced all the surviving RB-57Ds to be withdrawn from service and grounded.<sup id="cite_ref-Mikesh_2-11" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-serno_4-0" class="reference"><a href="#cite_note-serno-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> But the ADC still needed a high-altitude target aircraft, and Martin agreed to modify the remaining EB-57Ds for another 3,000 flight hours, and they served in this role along with other testing roles until the last was retired in July 1979 due to wing-spar fractures<sup id="cite_ref-Mikesh_2-12" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>An even larger B-57 reconnaissance version was the 122 feet (37 m) wingspan <a href="/wiki/Martin/General_Dynamics_RB-57F_Canberra" title="Martin/General Dynamics RB-57F Canberra">RB-57F</a>. Beginning in 1963, General Dynamics converted 21 B-57 airframes (four of them RB-57Ds) into RB-57Fs. These aircraft performed missions similar to the RB-57D, and the last USAF-operated RB-57F was retired in the early 1970s.<sup id="cite_ref-usaffs_1-11" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Kelly_Johnson_(engineer)" title="Kelly Johnson (engineer)">Clarence "Kelly" Johnson</a> of <a href="/wiki/Lockheed_Corporation" title="Lockheed Corporation">Lockheed</a> submitted an unsolicited proposal on his own which eventually edged out the RB-57D design, resulting in the Lockheed U-2.<sup id="cite_ref-Mikesh_2-13" class="reference"><a href="#cite_note-Mikesh-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The USAF considered the U-2 a more capable aircraft and so it replaced the RB-57D in U.S. strategic reconnaissance units.<sup id="cite_ref-usaffs_1-12" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Operators">Operators</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Martin_RB-57D_Canberra&action=edit&section=7" title="Edit section: Operators"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Flag_of_the_Republic_of_China.svg/23px-Flag_of_the_Republic_of_China.svg.png" decoding="async" width="23" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Flag_of_the_Republic_of_China.svg/35px-Flag_of_the_Republic_of_China.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Flag_of_the_Republic_of_China.svg/45px-Flag_of_the_Republic_of_China.svg.png 2x" data-file-width="900" data-file-height="600" /></span></span> </span><a href="/wiki/Taiwan" title="Taiwan">Taiwan</a></dt></dl> <ul><li><a href="/wiki/Republic_of_China_Air_Force" title="Republic of China Air Force">Republic of China Air Force</a></li></ul> <dl><dt><span class="flagicon"><span class="mw-image-border" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Flag_of_the_United_States_%2823px%29.png/23px-Flag_of_the_United_States_%2823px%29.png" decoding="async" width="23" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Flag_of_the_United_States_%2823px%29.png/35px-Flag_of_the_United_States_%2823px%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Flag_of_the_United_States_%2823px%29.png/46px-Flag_of_the_United_States_%2823px%29.png 2x" data-file-width="69" data-file-height="39" /></span></span> </span><a href="/wiki/United_States" title="United States">United States</a></dt></dl> <ul><li><a href="/wiki/United_States_Air_Force" title="United States Air Force">United States Air Force</a></li> <li><a href="/wiki/NASA" title="NASA">NASA</a></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=Martin_RB-57D_Canberra&action=edit&section=8" title="Edit section: Aircraft on display"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt>RB-57D</dt></dl> <ul><li>53-3982 – <a href="/wiki/National_Museum_of_the_United_States_Air_Force" title="National Museum of the United States Air Force">National Museum of the United States Air Force</a>, <a href="/wiki/Wright-Patterson_AFB" class="mw-redirect" title="Wright-Patterson AFB">Wright-Patterson AFB</a>, <a href="/wiki/Dayton,_Ohio" title="Dayton, Ohio">Dayton, Ohio</a>. This RB-57D is one of the 13 photoreconnaissance RB-57Ds. Painted as it appeared in the late 1950s while it served in the 4025th SRS(L), it went on display in 2004.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li></ul> <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=Martin_RB-57D_Canberra&action=edit&section=9" title="Edit section: Specifications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Frameless"><a href="/wiki/File:Martin_RB-57D_Canberra_3-view_line_drawing.png" class="mw-file-description" title="3-view line drawing of the Martin RB-57D Canberra"><img alt="3-view line drawing of the Martin RB-57D Canberra" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Martin_RB-57D_Canberra_3-view_line_drawing.png/220px-Martin_RB-57D_Canberra_3-view_line_drawing.png" decoding="async" width="220" height="425" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Martin_RB-57D_Canberra_3-view_line_drawing.png/330px-Martin_RB-57D_Canberra_3-view_line_drawing.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/28/Martin_RB-57D_Canberra_3-view_line_drawing.png/440px-Martin_RB-57D_Canberra_3-view_line_drawing.png 2x" data-file-width="2032" data-file-height="3921" /></a><figcaption>3-view line drawing of the Martin RB-57D Canberra</figcaption></figure> <p style="font-size: 90%; margin:0;"><i>Data from</i> <sup id="cite_ref-usaffs_1-13" class="reference"><a href="#cite_note-usaffs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></p><p><span style="font-size:120%"><b>General characteristics</b></span> </p><ul><li><b>Crew:</b> 1 or 2</li> <li><b>Length:</b> 66 ft 0 in (20.1 m) depending on variant</li> <li><b>Wingspan:</b> 106 ft 0 in (32.3 m)</li> <li><b>Height:</b> 15 ft 7 in (4.7 m)</li> <li><b>Max takeoff weight:</b> 59,000 lb (26,760 kg) approximately</li> <li><b>Powerplant:</b> 2 × <a href="/wiki/Pratt_%26_Whitney_J57" title="Pratt & Whitney J57">Pratt & Whitney J57</a>-P-9 <a href="/wiki/Turbojet" title="Turbojet">turbojets</a>, 10,000 lbf (44 kN) thrust each</li></ul> <p><span style="font-size:120%"><b>Performance</b></span> </p> <ul><li><b>Maximum speed:</b> 520 kn (600 mph, 966 km/h) at 45,000 ft (14,000 m)</li> <li><b>Cruise speed:</b> 420 kn (480 mph, 780 km/h) at 65,000 ft (20,000 m)</li> <li><b>Combat range:</b> 1,700 nmi (2,000 mi, 3,200 km) approximately</li> <li><b>Service ceiling:</b> 70,000 ft (21,300 m) approximately</li></ul> <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=Martin_RB-57D_Canberra&action=edit&section=10" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output 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<li><a href="/wiki/Martin_B-57_Canberra" title="Martin B-57 Canberra">Martin B-57 Canberra</a></li> <li><a href="/wiki/Martin/General_Dynamics_RB-57F_Canberra" title="Martin/General Dynamics RB-57F Canberra">Martin/General Dynamics RB-57F Canberra</a></li></ul> <p> <b>Related lists</b> </p> <ul><li><a href="/wiki/List_of_United_States_Air_Force_reconnaissance_aircraft" title="List of United States Air Force reconnaissance aircraft">List of United States Air Force reconnaissance 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=Martin_RB-57D_Canberra&action=edit&section=11" title="Edit section: References"><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 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.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"><ol class="references"> <li id="cite_note-usaffs-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-usaffs_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-usaffs_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-usaffs_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-usaffs_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-usaffs_1-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-usaffs_1-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-usaffs_1-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-usaffs_1-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-usaffs_1-8"><sup><i><b>i</b></i></sup></a> <a href="#cite_ref-usaffs_1-9"><sup><i><b>j</b></i></sup></a> <a href="#cite_ref-usaffs_1-10"><sup><i><b>k</b></i></sup></a> <a href="#cite_ref-usaffs_1-11"><sup><i><b>l</b></i></sup></a> <a href="#cite_ref-usaffs_1-12"><sup><i><b>m</b></i></sup></a> <a href="#cite_ref-usaffs_1-13"><sup><i><b>n</b></i></sup></a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120616093424/http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=2724">USAF Factsheet Martin RB-57D Canberra</a></span> </li> <li id="cite_note-Mikesh-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Mikesh_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Mikesh_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Mikesh_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Mikesh_2-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Mikesh_2-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-Mikesh_2-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-Mikesh_2-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-Mikesh_2-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-Mikesh_2-8"><sup><i><b>i</b></i></sup></a> <a href="#cite_ref-Mikesh_2-9"><sup><i><b>j</b></i></sup></a> <a href="#cite_ref-Mikesh_2-10"><sup><i><b>k</b></i></sup></a> <a href="#cite_ref-Mikesh_2-11"><sup><i><b>l</b></i></sup></a> <a href="#cite_ref-Mikesh_2-12"><sup><i><b>m</b></i></sup></a> <a href="#cite_ref-Mikesh_2-13"><sup><i><b>n</b></i></sup></a></span> <span class="reference-text">Mikesh, Robert C. (1995), Martin B-57 Canberra—The Complete Record, Schiffer Pub Ltd. <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><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-88740-661-0" title="Special:BookSources/0-88740-661-0">0-88740-661-0</a></span> </li> <li id="cite_note-Jackson-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-Jackson_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Jackson_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Jackson_3-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Jackson_3-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Jackson_3-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text">Canberra: The Operational Record, Robert Jackson, Smithsonian Institution Press, 1989.</span> </li> <li id="cite_note-serno-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-serno_4-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://users.rcn.com/jeremy.k/serialSearch.html">USAF Serial Number Search</a></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</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="http://www.nationalmuseum.af.mil/Visit/MuseumExhibits/FactSheets/Display/tabid/509/Article/196763/martin-rb-57d.aspx">"Martin RB-57D > National Museum of the US Air Force™ > Display"</a>. <i>www.nationalmuseum.af.mil</i><span class="reference-accessdate">. Retrieved <span class="nowrap">30 July</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.nationalmuseum.af.mil&rft.atitle=Martin+RB-57D+%3E+National+Museum+of+the+US+Air+Force%E2%84%A2+%3E+Display&rft_id=http%3A%2F%2Fwww.nationalmuseum.af.mil%2FVisit%2FMuseumExhibits%2FFactSheets%2FDisplay%2Ftabid%2F509%2FArticle%2F196763%2Fmartin-rb-57d.aspx&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMartin+RB-57D+Canberra" class="Z3988"></span></span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline 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template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Martin_aircraft" title="Template talk:Martin aircraft"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Martin_aircraft" title="Special:EditPage/Template:Martin aircraft"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Martin_and_Martin_Marietta_aircraft" style="font-size:114%;margin:0 4em"><a href="/wiki/Glenn_L._Martin_Company" title="Glenn L. Martin Company">Martin</a> and <a href="/wiki/Martin_Marietta" title="Martin Marietta">Martin Marietta</a> aircraft</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Model numbers</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_MO" title="Martin MO">57</a></li> <li><a href="/wiki/Naval_Aircraft_Factory_NO" title="Naval Aircraft Factory NO">60</a></li> <li><a href="/wiki/Martin_MS" title="Martin MS">63</a></li> <li><a href="/wiki/Martin_XNBL-2" title="Martin XNBL-2">66</a></li> <li><a href="/wiki/Martin_N2M" title="Martin N2M">67</a></li> <li><a href="/w/index.php?title=Martin_70&action=edit&redlink=1" class="new" title="Martin 70 (page does not exist)">70</a></li> <li><a href="/wiki/Martin_XO-4" title="Martin XO-4">71</a></li> <li><a href="/wiki/Martin_T3M" title="Martin T3M">73</a></li> <li><a href="/wiki/Martin_T4M" title="Martin T4M">74</a></li> <li><a href="/wiki/Martin_XLB-4" title="Martin XLB-4">75</a></li> <li><a href="/wiki/Martin_BM" title="Martin BM">77</a></li> <li><a href="/w/index.php?title=Martin_XO2M&action=edit&redlink=1" class="new" title="Martin XO2M (page does not exist)">83</a></li> <li><a href="/w/index.php?title=Martin_XO-27&action=edit&redlink=1" class="new" title="Martin XO-27 (page does not exist)">85</a></li> <li><a href="/wiki/Naval_Aircraft_Factory_PN" title="Naval Aircraft Factory PN">117</a></li> <li><a href="/wiki/Martin_XT6M" title="Martin XT6M">118</a></li> <li><a href="/wiki/Consolidated_P2Y" title="Consolidated P2Y">119</a></li> <li><a href="/wiki/Consolidated_P2Y" title="Consolidated P2Y">120</a></li> <li><a href="/wiki/Naval_Aircraft_Factory_PN" title="Naval Aircraft Factory PN">122</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">123</a></li> <li><a href="/wiki/Martin_BM" title="Martin BM">125</a></li> <li><a href="/w/index.php?title=Martin_XFM-1&action=edit&redlink=1" class="new" title="Martin XFM-1 (page does not exist)">127</a></li> <li><a href="/wiki/Martin_BM" title="Martin BM">129</a></li> <li><a href="/wiki/Martin_M-130" title="Martin M-130">130</a></li> <li><a href="/w/index.php?title=Martin_M-133&action=edit&redlink=1" class="new" title="Martin M-133 (page does not exist)">133</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">139</a></li> <li><a href="/wiki/Martin_XB-16" title="Martin XB-16">145</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">146</a></li> <li><a href="/wiki/Martin_156" title="Martin 156">156</a></li> <li><a href="/w/index.php?title=Martin_M-158&action=edit&redlink=1" class="new" title="Martin M-158 (page does not exist)">158</a></li> <li><a href="/wiki/Martin_PBM_Mariner" title="Martin PBM Mariner">162</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">166</a></li> <li><a href="/wiki/Martin_Maryland" title="Martin Maryland">167</a></li> <li><a href="/wiki/Martin_JRM_Mars" title="Martin JRM Mars">170</a></li> <li><a href="/wiki/Martin_B-26_Marauder" title="Martin B-26 Marauder">179</a></li> <li><a href="/wiki/Martin_XB-27" title="Martin XB-27">182</a></li> <li><a href="/wiki/Martin_Baltimore" title="Martin Baltimore">187</a></li> <li><a href="/wiki/Martin_XB-33_Super_Marauder" title="Martin XB-33 Super Marauder">189</a></li> <li><a href="/wiki/Martin_XB-33_Super_Marauder" title="Martin XB-33 Super Marauder">190</a></li> <li><a href="/wiki/Martin_193" title="Martin 193">193</a></li> <li><a href="/wiki/Martin_2-0-2" title="Martin 2-0-2">202</a></li> <li><a href="/wiki/Northrop_YB-35" title="Northrop YB-35">205</a></li> <li><a href="/wiki/Martin_AM_Mauler" title="Martin AM Mauler">210</a></li> <li><a href="/wiki/Martin_P4M_Mercator" title="Martin P4M Mercator">219</a></li> <li><a href="/wiki/Martin_XB-48" title="Martin XB-48">223</a></li> <li><a href="/wiki/Martin_XB-51" title="Martin XB-51">234</a></li> <li><a href="/wiki/Martin_P5M_Marlin" title="Martin P5M Marlin">237</a></li> <li><a href="/wiki/Martin_XB-48" title="Martin XB-48">247</a></li> <li><a href="/wiki/Martin_XB-51" title="Martin XB-51">259</a></li> <li><a href="/wiki/Martin_P5M_Marlin" title="Martin P5M Marlin">270</a></li> <li><a href="/wiki/Martin_P5M_Marlin" title="Martin P5M Marlin">271</a></li> <li><a href="/wiki/Martin_B-57_Canberra" title="Martin B-57 Canberra">272</a></li> <li><a href="/wiki/Martin_P5M_Marlin" title="Martin P5M Marlin">274</a></li> <li><a href="/wiki/Martin_P6M_SeaMaster" title="Martin P6M SeaMaster">275</a></li> <li><a href="/wiki/Martin_P5M_Marlin" title="Martin P5M Marlin">290</a></li> <li><a href="/wiki/Martin_4-0-4" title="Martin 4-0-4">303</a></li> <li><a href="/wiki/Martin_P6M_SeaMaster" title="Martin P6M SeaMaster">307</a></li> <li><a href="/wiki/Martin_P7M_SubMaster" title="Martin P7M SubMaster">313</a></li> <li><a href="/wiki/Martin_XB-68" title="Martin XB-68">316</a></li> <li><a href="/wiki/Martin_P6M_SeaMaster" title="Martin P6M SeaMaster">317</a></li> <li><a href="/wiki/Martin_P5M_Marlin" title="Martin P5M Marlin">321</a></li> <li><a href="/wiki/Titan_(rocket_family)" title="Titan (rocket family)">327</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Airliners</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_M-130" title="Martin M-130">M-130 Clipper</a></li> <li><a href="/wiki/Martin_156" title="Martin 156">M-156 Russian Clipper</a></li> <li><a href="/wiki/Martin_2-0-2" title="Martin 2-0-2">2-0-2</a></li> <li><a href="/wiki/Martin_4-0-4" title="Martin 4-0-4">3-0-3</a></li> <li><a href="/wiki/Martin_4-0-4" title="Martin 4-0-4">4-0-4</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Attack aircraft</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_B-10" title="Martin B-10">A-15</a></li> <li><a href="/wiki/Martin_Maryland" title="Martin Maryland">A-22</a></li> <li><a href="/wiki/Martin_Baltimore" title="Martin Baltimore">A-23</a></li> <li><a href="/wiki/Martin_Baltimore" title="Martin Baltimore">A-30</a></li> <li><a href="/wiki/Martin_XB-51" title="Martin XB-51">A-45</a></li> <li><a href="/wiki/Martin_AM_Mauler" title="Martin AM Mauler">AM</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Bombers</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_B-10" title="Martin B-10">B-10</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">B-12</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">XB-13</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">XB-14</a></li> <li><a href="/wiki/Martin_XB-16" title="Martin XB-16">XB-16</a></li> <li><a href="/wiki/Martin_B-26_Marauder" title="Martin B-26 Marauder">B-26</a></li> <li><a href="/wiki/Martin_XB-27" title="Martin XB-27">XB-27</a></li> <li><a href="/wiki/Martin_XB-33_Super_Marauder" title="Martin XB-33 Super Marauder">B-33</a></li> <li><a href="/wiki/Martin_XB-48" title="Martin XB-48">B-48</a></li> <li><a href="/wiki/Martin_XB-51" title="Martin XB-51">XB-51</a></li> <li><a href="/wiki/Martin_B-57_Canberra" title="Martin B-57 Canberra">B-57</a></li> <li><a href="/wiki/Martin_XB-68" title="Martin XB-68">XB-68</a></li> <li><a href="/wiki/Martin_BM" title="Martin BM">BM</a></li> <li><a href="/wiki/Martin_MB-1" title="Martin MB-1">MB-1</a></li> <li><a href="/wiki/Martin_NBS-1" title="Martin NBS-1">NBS-1</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Maritime patrol</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_PBM_Mariner" title="Martin PBM Mariner">PBM</a></li> <li><a href="/wiki/Consolidated_P2Y" title="Consolidated P2Y">XP2M</a></li> <li><a href="/wiki/Consolidated_P2Y" title="Consolidated P2Y">P3M</a></li> <li><a href="/wiki/Martin_P4M_Mercator" title="Martin P4M Mercator">P4M</a></li> <li><a href="/wiki/Martin_P5M_Marlin" title="Martin P5M Marlin">P5M</a></li> <li><a href="/wiki/Martin_P6M_SeaMaster" title="Martin P6M SeaMaster">P6M</a></li> <li><a href="/wiki/Martin_P7M_SubMaster" title="Martin P7M SubMaster">P7M</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Military transports</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_4-0-4" title="Martin 4-0-4">C-3</a></li> <li><a href="/wiki/Martin_JRM_Mars" title="Martin JRM Mars">JRM</a></li> <li><a href="/wiki/Martin_4-0-4" title="Martin 4-0-4">RM</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Military trainers</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_T" title="Martin T">T</a>/<a href="/wiki/Martin_T" title="Martin T">TT</a></li> <li><a href="/wiki/Martin_N2M" title="Martin N2M">N2M</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Scout/Torpedo bombers</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_S" title="Martin S">S</a></li> <li><a href="/wiki/Martin_MB-1" title="Martin MB-1">TM</a></li> <li><a href="/wiki/Curtiss_CS" title="Curtiss CS">T2M</a></li> <li><a href="/wiki/Martin_T3M" title="Martin T3M">T3M</a></li> <li><a href="/wiki/Martin_T4M" title="Martin T4M">T4M</a></li> <li><a href="/wiki/Martin_BM" title="Martin BM">T5M</a></li> <li><a href="/wiki/Martin_XT6M" title="Martin XT6M">T6M</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Reconnaissance aircraft</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_MO" title="Martin MO">MO-1</a></li> <li><a href="/wiki/Naval_Aircraft_Factory_NO" title="Naval Aircraft Factory NO">M2O-1</a></li> <li><a href="/wiki/Martin_MS" title="Martin MS">MS-1</a></li> <li><a class="mw-selflink selflink">RB-57D</a></li> <li><a href="/wiki/Martin/General_Dynamics_RB-57F_Canberra" title="Martin/General Dynamics RB-57F Canberra">RB-57F</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Observation aircraft</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_XO-4" title="Martin XO-4">XO-4</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Martin Marietta</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martin_Marietta_Model_845" title="Martin Marietta Model 845">845</a></li> <li><a href="/wiki/Martin_Marietta_X-24" title="Martin Marietta X-24">SV-5J</a></li> <li><a href="/wiki/Martin_X-23_PRIME" title="Martin X-23 PRIME">X-23</a></li> <li><a href="/wiki/Martin_Marietta_X-24" title="Martin Marietta X-24">X-24A/B</a></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="USAAS/USAAC/USAAF/USAF_bomber_designations,_Army/Air_Force_and_Tri-Service_systems" style="padding:3px"><table class="nowraplinks 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:USAF_bomber_aircraft" title="Template:USAF bomber aircraft"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:USAF_bomber_aircraft" title="Template talk:USAF bomber aircraft"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:USAF_bomber_aircraft" title="Special:EditPage/Template:USAF bomber aircraft"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="USAAS/USAAC/USAAF/USAF_bomber_designations,_Army/Air_Force_and_Tri-Service_systems" style="font-size:114%;margin:0 4em"><a href="/wiki/United_States_Army_Air_Service" title="United States Army Air Service">USAAS</a>/<a href="/wiki/United_States_Army_Air_Corps" title="United States Army Air Corps">USAAC</a>/<a href="/wiki/United_States_Army_Air_Forces" title="United States Army Air Forces">USAAF</a>/<a href="/wiki/United_States_Air_Force" title="United States Air Force">USAF</a> bomber designations, Army/Air Force and <a href="/wiki/1962_United_States_Tri-Service_aircraft_designation_system" title="1962 United States Tri-Service aircraft designation system">Tri-Service</a> systems</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Original sequences<br />(1924–1930)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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%">Light bomber</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/Huff-Daland_LB-1" title="Huff-Daland LB-1">LB-1</a></li> <li><a href="/wiki/Fokker_F-10" title="Fokker F-10">LB-2</a></li> <li><a href="/wiki/Keystone_XLB-3" title="Keystone XLB-3">LB-3</a></li> <li><a href="/wiki/Martin_XLB-4" title="Martin XLB-4">LB-4</a></li> <li><a href="/wiki/Keystone_LB-5" title="Keystone LB-5">LB-5</a></li> <li><a href="/wiki/Keystone_LB-6" title="Keystone LB-6">LB-6</a></li> <li><a href="/wiki/Keystone_LB-6" title="Keystone LB-6">LB-7</a></li> <li><a href="/wiki/Keystone_LB-6" title="Keystone LB-6">LB-8</a></li> <li><a href="/wiki/Keystone_LB-6" title="Keystone LB-6">LB-9</a></li> <li><a href="/wiki/Keystone_B-3" title="Keystone B-3">LB-10</a></li> <li><a href="/wiki/Keystone_LB-6" title="Keystone LB-6">LB-11</a></li> <li><a href="/wiki/Keystone_LB-6" title="Keystone LB-6">LB-12</a></li> <li><a href="/wiki/Keystone_B-4" title="Keystone B-4">LB-13</a></li> <li><a href="/wiki/Keystone_B-5" title="Keystone B-5">LB-14</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Medium bomber</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/Huff-Daland_XB-1" title="Huff-Daland XB-1">B-1</a></li> <li><a href="/wiki/Curtiss_B-2_Condor" title="Curtiss B-2 Condor">B-2</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Heavy bomber</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/Huff-Daland_XHB-1" title="Huff-Daland XHB-1">HB-1</a></li> <li><a href="/wiki/Fokker_XHB-2" title="Fokker XHB-2">HB-2</a></li> <li><a href="/wiki/Huff-Daland_XHB-3" title="Huff-Daland XHB-3">HB-3</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Main sequence<br />(1930–1962)</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Huff-Daland_XB-1" title="Huff-Daland XB-1">B-1</a></li> <li><a href="/wiki/Curtiss_B-2_Condor" title="Curtiss B-2 Condor">B-2</a></li> <li><a href="/wiki/Keystone_B-3" title="Keystone B-3">B-3</a></li> <li><a href="/wiki/Keystone_B-4" title="Keystone B-4">B-4</a></li> <li><a href="/wiki/Keystone_B-5" title="Keystone B-5">B-5</a></li> <li><a href="/wiki/Keystone_B-6" title="Keystone B-6">B-6</a></li> <li><a href="/wiki/Douglas_Y1B-7" title="Douglas Y1B-7">B-7</a></li> <li><a href="/wiki/Fokker_XB-8" title="Fokker XB-8">B-8</a></li> <li><a href="/wiki/Boeing_YB-9" title="Boeing YB-9">B-9</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">B-10</a></li> <li><a href="/wiki/Douglas_YOA-5" title="Douglas YOA-5">B-11</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">B-12</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">B-13</a></li> <li><a href="/wiki/Martin_B-10" title="Martin B-10">B-14</a></li> <li><a href="/wiki/Boeing_XB-15" title="Boeing XB-15">B-15</a></li> <li><a href="/wiki/Martin_XB-16" title="Martin XB-16">B-16</a></li> <li><a href="/wiki/Boeing_B-17_Flying_Fortress" title="Boeing B-17 Flying Fortress">B-17</a></li> <li><a href="/wiki/Douglas_B-18_Bolo" title="Douglas B-18 Bolo">B-18</a></li> <li><a href="/wiki/Douglas_XB-19" title="Douglas XB-19">B-19</a></li> <li><a href="/wiki/Boeing_Y1B-20" title="Boeing Y1B-20">B-20</a></li> <li><a href="/wiki/North_American_XB-21" title="North American XB-21">B-21</a></li> <li><a href="/wiki/Douglas_B-18_Bolo" title="Douglas B-18 Bolo">B-22</a></li> <li><a href="/wiki/Douglas_B-23_Dragon" title="Douglas B-23 Dragon">B-23</a></li> <li><a href="/wiki/Consolidated_B-24_Liberator" title="Consolidated B-24 Liberator">B-24</a></li> <li><a href="/wiki/North_American_B-25_Mitchell" title="North American B-25 Mitchell">B-25</a></li> <li><a href="/wiki/Martin_B-26_Marauder" title="Martin B-26 Marauder">B-26</a></li> <li><a href="/wiki/Martin_XB-27" title="Martin XB-27">B-27</a></li> <li><a href="/wiki/North_American_XB-28_Dragon" title="North American XB-28 Dragon">B-28</a></li> <li><a href="/wiki/Boeing_B-29_Superfortress" title="Boeing B-29 Superfortress">B-29</a> <ul><li><a href="/wiki/Boeing_B-50_Superfortress" title="Boeing B-50 Superfortress">B-29D</a></li></ul></li> <li><a href="/wiki/Lockheed_XB-30" title="Lockheed XB-30">B-30</a></li> <li><a href="/wiki/Douglas_XB-31" title="Douglas XB-31">B-31</a></li> <li><a href="/wiki/Consolidated_B-32_Dominator" title="Consolidated B-32 Dominator">B-32</a></li> <li><a href="/wiki/Martin_XB-33_Super_Marauder" title="Martin XB-33 Super Marauder">B-33</a></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">B-34</a></li> <li><a href="/wiki/Northrop_YB-35" title="Northrop YB-35">B-35</a></li> <li><a href="/wiki/Convair_B-36_Peacemaker" title="Convair B-36 Peacemaker">B-36</a> <ul><li><a href="/wiki/Convair_YB-60" title="Convair YB-60">B-36G</a></li> <li><a href="/wiki/Convair_NB-36H" title="Convair NB-36H">NB-36H</a></li></ul></li> <li><a href="/wiki/Lockheed_Ventura" title="Lockheed Ventura">B-37</a></li> <li><a href="/wiki/Boeing_XB-38_Flying_Fortress" title="Boeing XB-38 Flying Fortress">B-38</a></li> <li><a href="/wiki/Boeing_XB-39_Superfortress" title="Boeing XB-39 Superfortress">B-39</a></li> <li><a href="/wiki/Boeing_YB-40_Flying_Fortress" title="Boeing YB-40 Flying Fortress">B-40</a></li> <li><a href="/wiki/Consolidated_XB-41_Liberator" title="Consolidated XB-41 Liberator">B-41</a></li> <li><a href="/wiki/Douglas_XB-42_Mixmaster" title="Douglas XB-42 Mixmaster">B-42</a></li> <li><a href="/wiki/Douglas_XB-43_Jetmaster" title="Douglas XB-43 Jetmaster">B-43</a></li> <li><a href="/wiki/Boeing_B-50_Superfortress" title="Boeing B-50 Superfortress">B-44</a></li> <li><a href="/wiki/North_American_B-45_Tornado" title="North American B-45 Tornado">B-45</a></li> <li><a href="/wiki/Convair_XB-46" title="Convair XB-46">B-46</a></li> <li><a href="/wiki/Boeing_B-47_Stratojet" title="Boeing B-47 Stratojet">B-47</a> <ul><li><a href="/wiki/Boeing_XB-56" title="Boeing XB-56">B-47C</a></li></ul></li> <li><a href="/wiki/Martin_XB-48" title="Martin XB-48">B-48</a></li> <li><a href="/wiki/Northrop_YB-49" title="Northrop YB-49">B-49</a></li> <li><a href="/wiki/Boeing_B-50_Superfortress" title="Boeing B-50 Superfortress">B-50</a> <ul><li><a href="/wiki/Boeing_B-54" title="Boeing B-54">B-50C</a></li></ul></li> <li><a href="/wiki/Martin_XB-51" title="Martin XB-51">B-51</a></li> <li><a href="/wiki/Boeing_B-52_Stratofortress" title="Boeing B-52 Stratofortress">B-52</a></li> <li><a href="/wiki/Convair_XB-53" title="Convair XB-53">B-53</a></li> <li><a href="/wiki/Boeing_B-54" title="Boeing B-54">B-54</a></li> <li><a href="/wiki/Boeing_XB-55" title="Boeing XB-55">B-55</a></li> <li><a href="/wiki/Boeing_XB-56" title="Boeing XB-56">B-56</a></li> <li><a href="/wiki/Martin_B-57_Canberra" title="Martin B-57 Canberra">B-57</a> <ul><li><a class="mw-selflink selflink">RB-57D</a></li> <li><a href="/wiki/Martin/General_Dynamics_RB-57F_Canberra" title="Martin/General Dynamics RB-57F Canberra">RB-57F</a></li></ul></li> <li><a href="/wiki/Convair_B-58_Hustler" title="Convair B-58 Hustler">B-58</a></li> <li><a href="/wiki/Boeing_XB-59" title="Boeing XB-59">B-59</a></li> <li><a href="/wiki/Convair_YB-60" title="Convair YB-60">B-60</a></li> <li><a href="/wiki/MGM-1_Matador" title="MGM-1 Matador">B-61</a></li> <li><a href="/wiki/SM-62_Snark" title="SM-62 Snark">B-62</a></li> <li><a href="/wiki/GAM-63_RASCAL" title="GAM-63 RASCAL">B-63</a></li> <li><a href="/wiki/SM-64_Navaho" title="SM-64 Navaho">B-64</a></li> <li><a href="/wiki/SM-65_Atlas" title="SM-65 Atlas">B-65</a></li> <li><a href="/wiki/Douglas_B-66_Destroyer" title="Douglas B-66 Destroyer">B-66</a></li> <li><a href="/wiki/GAM-67_Crossbow" title="GAM-67 Crossbow">B-67</a></li> <li><a href="/wiki/Martin_XB-68" title="Martin XB-68">B-68</a></li> <li><a href="/wiki/Lockheed_P-2_Neptune" title="Lockheed P-2 Neptune">B-69</a></li> <li><a href="/wiki/North_American_XB-70_Valkyrie" title="North American XB-70 Valkyrie">B-70</a></li> <li><a href="/wiki/Lockheed_SR-71_Blackbird" title="Lockheed SR-71 Blackbird">B-71</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Long-range bomber<br />(1935–1936)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Boeing_XB-15" title="Boeing XB-15">BLR-1</a></li> <li><a href="/wiki/Douglas_XB-19" title="Douglas XB-19">BLR-2</a></li> <li><a href="/wiki/Sikorsky_XBLR-3" title="Sikorsky XBLR-3">BLR-3</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Tri-Service sequence<br />(1962–current)</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Rockwell_B-1_Lancer" title="Rockwell B-1 Lancer">B-1</a></li> <li><a href="/wiki/Northrop_B-2_Spirit" title="Northrop B-2 Spirit">B-2</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Non-sequential</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" 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%">Redesignated A-series</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/Douglas_A-20_Havoc" title="Douglas A-20 Havoc">B-20</a></li> <li><a href="/wiki/Douglas_A-26_Invader" title="Douglas A-26 Invader">B-26</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Fighter-bomber, in F-series</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_Martin_FB-22" title="Lockheed Martin FB-22">FB-22</a></li> <li><a href="/wiki/General_Dynamics_F-111_Aardvark" title="General Dynamics F-111 Aardvark">FB-111</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</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/Northrop_Grumman_B-21_Raider" title="Northrop Grumman B-21 Raider">B-21</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> 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