【B-17 FlyingFortress】-The BoeingB-17 FlyingFortress was a four-engine heavy...【B-17 Flying Fortress】-The Boeing B-17 Flying Fortress was a four-engine heavy bomber developed for the United States Army Air Corps (USAAC) in the 1930s. This B-17G bomber with serial number 43-38525 belongs to the 418th Bomb Squadron. It has a silver...more