Many aircraft and military projects were designed, and some were built, but were canceled before they were put into service because of budget issues, technical problems, or changes in requirements.
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All items (91)
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Individual Carbine
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List of cancelled military projects
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XM806
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Category:Abandoned military rocket and missile projects of the United States
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Advanced Combat Rifle
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AGM-137 TSSAM
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Aircraft Carrier (Medium)
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ArmaLite AR-18
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Armored Gun System
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Arsenal ship
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Category:Cancelled military aircraft projects of the United States
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Category:Cancelled ships of the United States Navy
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CLB 75 Tank
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Cruiser Baseline
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M
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M1944 Hyde Carbine
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Sieg automatic rifle
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M1947 Johnson auto carbine
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M247 Sergeant York
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M38 Wolfhound
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M6 heavy tank
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M8 Armored Gun System
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Man in Space Soonest
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Manned Orbiting Laboratory
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Maximum battleship
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MBT-70
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Medium Tank M1921
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Medium Tank M1922
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Model 45A
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Montana-class battleship
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Multifunctional Utility/Logistics and Equipment vehicle
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O
P
R
S
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SC-21 (United States)
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Sea Control Ship
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Skeleton tank
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Smith & Wesson AS
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South Dakota-class battleship (1920)
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Special Purpose Individual Weapon
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Steam tank
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Steam Wheel Tank
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Category:Strategic Defense Initiative
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Strategic Defense Initiative
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Strike cruiser
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T14 Heavy Tank
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T20 Medium Tank
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T24 machine gun
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T27 Armored Car
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T28 Super Heavy Tank
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T29 Heavy Tank
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T32 Heavy Tank
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T34 Heavy Tank
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T71 Light Tank
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T92 Light Tank
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Thin Man (nuclear bomb)
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Thompson Light Rifle
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Three-wheeled steam tank
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TRW Low Maintenance Rifle
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