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Beechcraft XA-38 Grizzly
The Beechcraft XA-38 Grizzly was an American ground attack aircraft, fitted with a forward-firing 75 mm cannon to attack heavily armored targets. The first prototype flew on 7 May 1944 but after testing it became obvious it would not be ready for the projected invasion of Japan, and furthermore it used engines required by the Boeing B-29 Superfortress — which had priority - and so it was canceled after two prototypes had been completed.
==Design and development==
The United States Army Air Forces awarded the Beech Aircraft Corporation a contract in December 1942 for two prototypes for their Model 28 "Destroyer". The requirement was for a powerful ground attack aircraft to replace the Douglas A-20 Havoc, with the ability to hit "hardened" targets like tanks and bunkers. This capability was achieved through a 75 mm cannon with 20 rounds, mounted in a fixed position on the nose as well as two .50 cal (12.7 mm) M2 Browning machine guns firing forward. Defensive armament consisted of remotely controlled ventral and dorsal turrets, each armed with twin .50 cal (12.7 mm) machine guns. There were to be two crew members, a pilot and an observer/gunner in the rear cabin, using periscope sights to aim the guns.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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