List of cancelled military projects
Encyclopedia

Fuerza Aérea Argentina
Argentine Air Force
The Argentine Air Force is the national aviation branch of the Armed Forces of the Argentine Republic. , it had 14,606 military and 6,854 civilian staff.-History:...

 

  • FMA SAIA 90
    FMA SAIA 90
    The FMA SAIA 90 was an air superiority aircraft designed by the FMA with the collaboration of Dornier in the mid-1980s...

  • FMA IA-67 Cordoba
  • FMA IAe 33 Pulqui II
    FMA IAe 33 Pulqui II
    The FMA IAe 33 Pulqui II was a jet fighter aircraft designed by Kurt Tank in the late 1940s in Argentina, under the Perón government, and built by the Fábrica Militar de Aviones...

  • FMA I.Ae. 27 Pulquí

Royal Australian Navy
Royal Australian Navy
The Royal Australian Navy is the naval branch of the Australian Defence Force. Following the Federation of Australia in 1901, the ships and resources of the separate colonial navies were integrated into a national force: the Commonwealth Naval Forces...

  • Australian light destroyer project
    Australian light destroyer project
    The Australian light destroyer project aimed to build a class of small destroyers for the Royal Australian Navy . The project began in 1966 with the goal of developing simple light destroyers to support patrol boat operations...

  • SH-2G(A) Super Sea Spite

Land Forces
Canadian Forces Land Force Command
The Canadian Army , previously called Land Force Command, is responsible for army operations within the Canadian Forces. The current size of the Army is 19,500 regular soldiers and 16,000 reserve soldiers, for a total of around 35,500 soldiers...

  • Multi-Mission Effects Vehicle
    Multi-Mission Effects Vehicle
    The Multi-Mission Effects Vehicle was a dual-purpose short range surface-to-air and anti-tank platform intended for use by the Canadian Forces. It was based on Air Defense Anti-Tank System technology, and integrated onto an 8×8 wheeled LAV III. The MMEV project was canceled in...

     (2005–2007)

British Army
British Army
The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

 

  • BSA Welgun
  • Elkins Automatic Rifle
    Elkins Automatic Rifle
    The Ekins Automatic Rifle was one of the numerous attempts to convert a Lee-Enfield SMLE to an automatic rifle. Similar platforms of the time were the Canadian Huot, South African Rieder and Charlton of Australian/New Zealand origin which had full automatic capability....

  • EM-2 rifle
  • Farquhar-Hill rifle
    Farquhar-Hill Rifle
    The British Farquhar-Hill Rifle was one of the first automatic rifles designed in the early 20th century. It was first tested in May 1908, but had many failures. Design was by Major H J Farquhar-Hill, who produced several improved designs none of which completely satisfied the Small Arms Committee...

  • FN FAL Bullpup .280
    FN FAL
    The Fusil Automatique Léger or FAL is a self-loading, selective fire battle rifle produced by the Belgian armaments manufacturer Fabrique Nationale de Herstal . During the Cold War it was adopted by many North Atlantic Treaty Organization countries, with the notable exception of the United States...

  • Howard Francis machine carbine
    Howard Francis machine carbine
    The Howard Francis Self-Loading Carbine was a conversion from a No. 1 Mk III SMLE to the 7.63x25mm Mauser pistol cartridge. It fired in semi-automatic only and suffered some feeding and extraction problems and, despite meeting accuracy and soundness of design concept, never made it past prototype...

  • L64/65
    L64/65
    The L64 was an intermediate calibre British bullpup layout assault rifle developed in the 1970s. At one time it was known as the 4.85 Individual Weapon....

  • Sterling SAR-87
    Sterling SAR-87
    The Sterling SAR-87 was a military assault rifle of the late Twentieth century. The Sterling Assault Rifle was jointly engineered by Sterling Armaments Company and Chartered Industries of Singapore in the early 1980s as an advanced version of the AR-18 for the export sales...


Bombers

  • Huff-Daland XB-1
    Huff-Daland XB-1
    |-See also:-External links:***...

  • Douglas Y1B-7
    Douglas Y1B-7
    |-See also:-References:NotesBibliography* Francillon, René J. McDonnell Douglas Aircraft since 1920. London: Putnam, 1979. ISBN 0-370-00050-1....

  • Fokker XB-8
    Fokker XB-8
    |-See also:-References:NotesBibliography* Pelletier, Alain J. "Fokker Twilight". Air Enthusiast, No. 117, May/June 2005, pp. 62–66. ISSN 0143-5450.* Wagner, Ray. American Combat Planes. New York: Doubleday, 1982. ISBN 0-930083-17-2....

  • Boeing Y1B-9
    Boeing Y1B-9
    |-See also:-References:NotesBibliography* Baugher, Joe. Encyclopedia of American Aircraft, 10 September 2002. Retrieved: 7 July 2010.* Bowers, Peter M. Boeing Aircraft since 1916. London: Putnam, 1989. ISBN 0-85177-804-6....

  • Douglas YB-11
    Douglas YB-11
    |-See also:-References:NotesBibliography*Francillon, René. McDonnell Douglas Aircraft since 1920. London:Putnam, 1979. ISBN 0-370-00050-1.-External links:**...

  • Martin XB-13
    Martin B-10
    The Martin B-10 was the first all-metal monoplane bomber to go into regular use by the United States Army Air Corps, entering service in June 1934...

  • Martin XB-14
    Martin B-10
    The Martin B-10 was the first all-metal monoplane bomber to go into regular use by the United States Army Air Corps, entering service in June 1934...

  • Boeing XB-15
    Boeing XB-15
    |-See also:-References:NotesBibliography* Boniface, Patrick. "Boeing's Forgotten Monster: XB-15 a Giant in Search of a Cause." Air Enthusiast, 79 January–February 1999....

  • Martin XB-16
    Martin XB-16
    Like the Boeing XB-15, the Martin XB-16 was designed to meet the United States Army Air Corps' request for a bomber that could carry 2,500 lb of bombs 5,000 mi ....

  • Douglas XB-19
    Douglas XB-19
    |-See also:-External links:* * * * * Popular Mechanics, December 1940* Popular Mechanics, July 1941*...

  • Boeing Y1B-20
    Boeing Y1B-20
    |-See also:-References:**...

  • North American XB-21
    North American XB-21
    -See also:-References:NotesBibliography* Donald, David, ed. The Complete Encyclopedia of World Aircraft. London: Orbis, 1997. ISBN 0-7607-0592-5.* Jones, Lloyd S. U.S. Bombers, B1-B70. Fallbrook, California: Aero Publishers, 1962. ....

  • Douglas XB-22
    Douglas XB-22
    |-References and external links:* *...

  • Martin XB-27
    Martin XB-27
    The Martin XB-27 was a plane proposed by the Glenn L. Martin Company to fill a strong need in the United States Army Air Corps for a high-altitude medium bomber. Its design was based approximately on that of the B-26 Marauder. The XB-27 never made it past paper, and no prototypes were...

  • North American XB-28

Bombers

  • Lockheed XB-30
    Lockheed XB-30
    -See also:-References:NotesBibliography* Stringfellow, Curtis K., and Peter M. Bowers. Lockheed Constellation. St. Paul, Minnesota: Motorbooks, 1992.-External links:*...

  • Douglas XB-31
    Douglas XB-31
    |-See also:-References:NotesBibliography* Francillon, René J. McDonnell Douglas Aircraft since 1920. London: Putnam & Company Ltd., 1979. ISBN 0-370-00050-1....

  • Consolidated B-32 Dominator
    B-32 Dominator
    The Consolidated B-32 Dominator was a heavy bomber made for United States Army Air Forces during World War II, and has the distinction of being the last Allied aircraft to be engaged in combat during World War II. It was developed in parallel with the Boeing B-29 Superfortress as a fallback design...

  • XB-33 Super Marauder
  • Boeing YB-40 Flying Fortress
    YB-40 Flying Fortress
    The Boeing YB-40 Flying Fortress was a modification of the United States B-17 Flying Fortress bomber aircraft, converted to act as a heavily armed escort for other bombers during World War II...

     Gunship
  • Consolidated XB-41 Liberator
    XB-41 Liberator
    |-See also:-References:NotesBibliography* Andrade, John M. U.S. Military Aircraft Designations and Serials since 1909. Earl Shilton, Leicester: Midland Counties Publications, 1979. ISBN 0-904597-22-9....

     Gunship

Fighters

  • Vultee XP-54
  • Curtiss XP-55 Ascender
  • Northrop XP-56 Black Bullet
    XP-56 Black Bullet
    |-See also:-References:NotesBibliography* Allen, R.S. The Northrop Story. New York: Orion, 1990. ISBN 0-517-56677-4.* Andersen, Fred. Northrop - An Aeronautical History: a Commemorative Book Edition of Airplane Designs and Concepts. Century City, California: Northrop Corporation, 1976. Library of...

  • Lockheed XP-58 Chain Lightning
    XP-58 Chain Lightning
    |-See also:-Bibliography:* Francillon, René J. Lockheed Aircraft since 1913. London: Putnam, 1982. ISBN 0-370-30329-6.* Green, William. War Planes of the Second World War, Volume Four: Fighters. London: MacDonald & Co. Ltd., 1961 . ISBN 0-356-01448-7.* Green, William and Gordon Swanborough...

  • Lockheed L-133 Starjet
  • Bell P-59 Airacomet
    P-59 Airacomet
    The Bell P-59 Airacomet was the first American jet fighter aircraft, designed and built during World War II. The United States Army Air Forces was not impressed by its performance and cancelled the contract when fewer than half of the aircraft ordered had been produced. Although no P-59s went...

  • Curtiss XP-62
    Curtiss XP-62
    |-See also:-References:* Green, William. War Planes of the Second World War - Fighters, Volume 4. London: Macdonald. 1961.-External links:*...

  • McDonnell XP-67 Bat
    XP-67 Bat
    The McDonnell XP-67 "Bat" or "Moonbat" was a prototype for a twin-engine, long range, single-seat interceptor aircraft for the United States Army Air Forces. Although the design was conceptually advanced, it was beset by numerous problems and never approached its anticipated level of performance...

  • Republic XP-72
    Republic XP-72
    -References:NotesCitationsBibliography* Bodie, Warren. "The Whine of the Jug". Wings Magazine , August 1974, p. 33-39.* Freeman, Roger A. Thunderbolt: A Documentary History of the Republic P-47. London: Macdonald & Jane's Ltd., 1978. ISBN 0-354-01166-9.* Green, William. War Planes of the Second...

  • Fisher (General Motors) P-75 Eagle
    P-75 Eagle
    |-See also:-References:NotesBibliography* Green, William. War Planes of the Second World War, Volume Four: Fighters. London: Macdonald & Co., 1961. ISBN 0-356-01448-7....

  • Bell XP-76
    Bell XP-76
    |-See also:-References:NotesBibliography*Bowers, Peter M. "Airborne Cobra Pt.II". Airpower magazine, Vol.9, No.1, January 1979....

  • Northrop XP-79
  • Convair XP-81
    Convair XP-81
    |-See also:-References:NotesBibliography* Ginter, Steve. Consolidated Vultee XP-81 . Simi Valley, California: Ginter Books, 2007. ISBN 0-942612-87-6....

  • Bell XP-83
    Bell XP-83
    |-See also:-Bibliography:* Carpenter, David M. Flame Powered: The Bell XP-59A Airacomet and the General Electric I-A Engine. Boston: Jet Pioneers of America, 1982. ISBN 0-9633387-0-6....


Fighters

  • Northrop YA-9
  • Lockheed YF-12
    Lockheed YF-12
    The Lockheed YF-12 was an American prototype interceptor aircraft, which the United States Air Force evaluated as a development of the highly-secret Lockheed A-12 that also spawned the SR-71 Blackbird.-Design and development:...

  • Republic XF-103
    Republic XF-103
    The Republic XF-103 was an American project to develop a high speed interceptor aircraft capable of destroying Soviet bombers. Despite a prolonged development, it never progressed past the mock-up stage.-Development:...

  • North American F-107
  • XF-108 Rapier
    XF-108 Rapier
    The North American XF-108 Rapier was a proposed long-range, high-speed interceptor aircraft designed by North American Aviation. Initiated to defend the United States from supersonic Soviet bombers, the program, initially called NA-257, was cancelled in 1959 due to a shortage of funds and the...

  • Bell XF-109
  • Northrop F-20 Tigershark
    F-20 Tigershark
    The Northrop F-20 Tigershark was a privately-financed light fighter, designed and built by Northrop. Its development began in 1975 as a further evolution of Northrop's F-5E Tiger II, featuring a new engine that greatly improved overall performance, and a modern avionics suite including a powerful...

  • Northrop YF-23

Fighters

  • Grumman XF5F Skyrocket
    XF5F Skyrocket
    |-Notable appearances in media:The XF5F Skyrocket featured in the Blackhawk comic books.-See also:-Bibliography:* Green, William. War Planes of the Second World War, Volume Four: Fighters. London: Macdonald & Co., 1961. ISBN 0-356-01448-7....

  • Goodyear F2G
  • Douglas A2D Skyshark
    A2D Skyshark
    |-See also:-Bibliography:* Francillon, René J. McDonnell Douglas Aircraft since 1920. London:Putnam, 1979. ISBN 0-370-00050-1.* Heinemann, Edward, H. and Rausa, Rosario. Combat Aircraft Designer. London: Jane's Publishing Co., 1980. ISBN 0-7106-0040-2....

  • A2J Super Savage
  • F6D Missileer
    F6D Missileer
    The Douglas F6D Missileer was a proposed carrier-based US Navy fleet defense fighter aircraft, designed by Douglas Aircraft Company in response to a 1959 US Navy requirement...

  • XF10F Jaguar
    XF10F Jaguar
    |-See also:-References:NotesBibliography* DeMeis, Richard. "No Room to Swing a Cat." Wings, Volume 6, No. 4, August 1976.* Jones, Lloyd S. US Naval Fighters 1922 to 1980s. Fallbrook, CA: Aero Publishers, 1977. ISBN 978-0816892549....

  • General Dynamics F-111
    General Dynamics F-111
    The General Dynamics F-111 "Aardvark" was a medium-range interdictor and tactical strike aircraft that also filled the roles of strategic bomber, reconnaissance, and electronic warfare in its various versions. Developed in the 1960s by General Dynamics, it first entered service in 1967 with the...

    B
  • A-12 Avenger II
    A-12 Avenger II
    The McDonnell Douglas/General Dynamics A-12 Avenger II was a proposed American ground-attack aircraft from McDonnell Douglas and General Dynamics. It was to be an all-weather, carrier-based stealth bomber replacement for the Grumman A-6 Intruder in the United States Navy and Marine Corps...

  • Convair F2Y Sea Dart

Small arms

  • Model 45A
    Model 45A
    The Model 45A was a battle rifle / light machine gun developed by the United States Army in the Philippines in 1945. The weapon existed in prototype or mockup form, but never entered production...

  • Gyrojet Assault Rifle
    Gyrojet
    The Gyrojet is a family of unique firearms developed in the 1960s named for the method of gyroscopically stabilizing its projectiles. Gyrojets fire small rockets, rather than inert bullets, which have little recoil and do not require a heavy barrel to resist the pressure of the combustion gases. ...

  • Olin/Winchester Salvo Rifle
    Olin/Winchester Salvo Rifle
    The Olin/Winchester Salvo Rifle is an experimental double-barreled 5.56mm automatic rifle created for the U.S. Army's Project SALVO in the 1950s. Developed in hopes of increasing the hit probability of soldiers in combat, the Salvo Rifle was designed by Stefan K. Janson, who had previously created...

  • Thompson Carbine
  • Heckler & Koch XM8
  • Heckler & Koch XM29 OICW
    XM29 OICW
    The XM29 OICW was a series of prototypes of a new type of battle rifle that fired 20 mm HE airbursting projectiles. The prototypes were developed as part of the Objective Individual Combat Weapon program in the 1990s...

  • Heckler & Koch HK CAWS
  • Special Purpose Individual Weapon
    Special Purpose Individual Weapon
    The Special Purpose Individual Weapon was a long-running United States Army program to develop, in part, a workable flechette-based "rifle", though other concepts were also involved...

  • Heckler & Koch G11
    Heckler & Koch G11
    The Heckler & Koch G11 is a non-production prototype assault rifle developed during the late 1960s, 1970s and 1980s by Gesellschaft für Hülsenlose Gewehrsysteme , a conglomeration of companies headed by firearm manufacturer Heckler & Koch , Dynamit Nobel The Heckler & Koch G11 is a non-production...


Aviation

  • AH-56 Cheyenne
    AH-56 Cheyenne
    The Lockheed AH-56 Cheyenne was a single-engine attack helicopter developed by Lockheed for the United States Army's Advanced Aerial Fire Support System program to produce the Army's first dedicated attack helicopter...

  • Boeing Vertol YUH-61
    Boeing Vertol YUH-61
    |-See also:-References:Bibliography*Leoni, Ray D. Black Hawk, The Story of a World Class Helicopter. American Institute of Aeronautics and Astronautics, 2007. ISBN 978-1-56347-918-2.-External links:*—YUH-61 origins...

  • Boeing Vertol XCH-62
    Boeing Vertol XCH-62
    |-See also:-References:* Wilson, Michael. "". Flight International, 13 July 1972, pp. 44c–47.-External links:* * * at Friends of The Helicopter Museum...

  • RAH-66 Comanche
    RAH-66 Comanche
    The Boeing-Sikorsky RAH-66 Comanche was an advanced five-blade armed reconnaissance and attack helicopter designed for the United States Army. The RAH-66 program was canceled in 2004, before mass production began, after nearly $7 billion was spent on the program.During the early 1980s, the U.S...

  • Bell ARH-70
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