B-17F Flying Fortress - 'Memphis Belle'The aircraft that dropped more bombs than any other during World War II, the Boeing B 17 Flying Fortress quickly became the symbol of American air power during the conflict. Flying missions in every combat zone during the course of the war, the B 17 saw its most significant service in Europe, forming the backbone of the USAAF strategic bombing force alongside the Consolidated B 24 Liberator, and playing a crucial role in crippling Germanys war