The Bell P-39 �Airacobra� finished up being one of several principal fighter aircraft operating around forces from the beginning of World War II. It absolutely was build by the Bell Aircraft Corporation Maiden journey April 1939. The aircraft's uncommon design showcased its Allison engine mounted in the middle of the fuselage, merely behind the pilot, driving the propeller through a driveshaft moving involving the pilot's legs. a 37 mm T9 cannon firing through center associated with propeller hub. Entry toward cockpit completed up being through a side door.Total 9,584 example were produced, with over half being sent to the Soviet Union in lend-lease system.