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
The Bomber Command War Diaries Record Office. The Bomber Command War Diaries The Bomber Command War Diaries (subtitled: "An Operational Reference Book, 1939 -1945") is a book by the British military historian Martin Middlebrook and the researcher Chris Everitt that documents every operation by RAF Bomber Command in Europe in World War II. The book also details the operational performances of each squadron and group and it remains in print today. Everitt who had served in the RAF throughout the war as ground staff was the recently retired Chief Administrative Officer of Slough College and his research for the book involved over 300 visits to