B-17 Flying Fortress Attacked by Me-109s. Actually, this B-17 is the Memphis Belle. It is footage from one of her missions. It´s possible 2nd to last mission. Memphis Belle is the nickname of a Boeing B-17F Flying Fortress during the Second World War. The aircraft was one of the first B-17 United States Army Air Corps heavy bombers to complete 25 combat missions with her crew intact.