B-17 Flying Fortress World War II Bombers in Action is a combat flight simulator video game published by MicroProse. The game simulates training, combat missions and sorties in a tour of duty in the Eighth Air Force of the United States Army Air Forces in the European Theater of Operations aboard a Boeing B-17 Flying Fortress heavy bomber during World War II. A historically accurate number of 25 missions must be flown and survived to complete a tour of duty.