Boeing B-17 Flying Fortress Boeing B-17 Flying Fortress The Boeing B-17 Flying Fortress is a four-engined heavy bomber developed in the 1930s for the United States Army Air Corps (USAAC). Competing against Douglas and Martin for a contract to build 200 bombers, the Boeing entry (prototype Model 299/XB-17) outperformed both competitors and exceeded the air corps' performance specifications. Although Boeing lost the contract (to the Douglas B-18 Bolo) because the prototype crashed, the air corps ordered 13 more B-17s for further evaluation. From its introduction in 1938, the B-17 Flying Fortress evolved through numerous design advances, becoming the third-most produced bomber of all time,
RAF Bomber Command aircrew of World War II have those black shoes" and similar comments. Airmen shared accommodation blocks and it was normal to have spare beds or even a half-empty hut after a night operation. A total of 57,205 members of RAF Bomber Command or airmen flying on attachment to RAF Bomber Command were killed or posted missing in World War II. It was not unusual for the heavy bombers to complete their operational sortie and return home with members of their crew dead or dying aboard the aircraft, or with the rear gun turret blown off. Flight Sergeant Jim Rossiter of the Royal Australian Air Force