A P-40E Warhawk ('U', serial number 41-35934) of a HQ flight of aircraft in 1943. The HQ flight was a part of VIII Bomber Command, a component of the 1942-44 Eighth Air Force, and forerunner of the more famous 1944-onwards Eighth Air Force. Handwritten caption on reverse: 'P04E. VIII BC. 41-35934? HQ Flt. 1943.' Major Glenn E. Hagenbuch, 303rd Bomb Group, 427th BS B-17 Pilot and 427th BS Commanding Officer, completed 25 missions on 29 June 1943. He was killed in the crash of P-40 41-35934 during a short flight in England, which occurred 8.5 miles north of Bovingdon, UK on 9 October 1943.