Boeing XB-38 Flying Fortress Boeing XB-38 Flying Fortress The XB-38 Flying Fortress was a single example conversion of a production B-17E Flying Fortress, testing whether the Allison V-1710 V type engine could be substituted for the standard Wright R-1820 radial engine during early World War II. The XB-38 was the result of a modification project undertaken by Boeing and Vega (a subsidiary of Lockheed) on a B-17 Flying Fortress to fit it with liquid-cooled Allison V-1710-89 Vee engine. It was meant as an improved version of the B-17, and a variant that could be used if air-cooled Wright R-1820 radial engines became scarce. Completing
RAF Bomber Command aircrew of World War II Bomber Command during World War II examples being Sergeant Ronald Lewis serving as a wireless operator/air gunner aboard a No. 51 Squadron RAF Armstrong Whitworth Whitley was shot down on 20 July 1940, and Sergeant Gerald Tickner serving as mid upper gunner aboard a No. 640 Squadron RAF Handley Page Halifax shot down on 13 September 1944. A "Main Force" heavy bomber squadron was commanded by an officer holding the rank wing commander who was usually a pilot by trade. Known as "the CO", or commanding officer, he had several flight commanders who reported to him. These men usually held