Boeing XB-38 Flying Fortress The XB-38 was destroyed and the project was canceled, in part because the V-1710 engines were needed for other projects such as the Lockheed P-38 Lightning, Bell P-39 Airacobra, Curtiss P-40 Warhawk, North American P-51A Mustang, and Bell P-63 Kingcobra fighters. 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
38th Flying Training Wing (World War II) 38th Flying Training Wing (World War II) The 38th 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 16 June 1946 at Williams Field, Arizona. There is no lineage between the United States Air Force 38th Combat Support Wing, established on 10 August 1948 at Itami Airfield, Japan, and this organization. The wing was a World War II Command and Control organization which supported Training Command Flight Schools in the southwestern United States, primarily in New Mexico. The wing controlled fight schools primarily instructing