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
81st Flying Training Wing (World War II) 81st Training Wing, established on 15 April 1948 at Wheeler Field, Hawaii, and this organization. The mission of the wing was to provide both Classification and Preflight stage training to air cadets which had completed Training Command basic indoctrination training. Once the cadet successfully completed the training at the center, they would be assigned to one of the AAF primary flight schools for initial flying training. 81st Flying Training Wing (World War II) The 81st Flying Training Wing is an inactive United States Air Force unit. It was last assigned to the Western Flying Training Command, and was disbanded on