Title: B-17 Flying Fortress Units of the MTO (Combat Aircraft)
Subjects: United States, USA, Luftfahrttechnik, Luftflotte (15), Weltkrieg (1939-1945), United States. Army Air Forces. Air Force, 15th, American Aerial operations, World War, 1939-1945, Bombenflugzeug, B-17 bomber, History, United states, air force, World war, 1939-1945, aerial operations, american