Vultee XP-54
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Northrop XP-56 Black Bullet
McDonnell XP-67
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Gas tungsten arc welding
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List of aircraft of World War II
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Curtiss-Wright XP-55 Ascender
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Jack Northrop
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List of aircraft (N)
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Pratt & Whitney R-2800 Double Wasp
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Hyper engine
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1943 in aviation
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List of fighter aircraft
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List of aircraft of the United States during World War II
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Northrop Corporation
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