" flying fortress ", 239 object, a heavy german fighter of world war ii, air force, aircraft, airplane, aviation, avro aircraft. typ 683, avro lancaster, b-52, bf-110, boeing, boeing b-17, bomber, centurion, d-5t, do 335, dogfight, dornier, drawing, fighter-bomber, flying fortress, four-engine, german aircraft, gun tank, heavy, heavy twin-engine multi-purpose jet, hf -85, jet, klim voroshilov, lancaster, lancaster b, landing, missile, mk. 1, motorized rifle, multi-purpose, offensive, pfeil, picture, plane, raf, red, rocket, royal air force, soviet, soviet heavy jet multipurpose aircraft missile, soviet union, star, strategic, stratofortress, tank, the second world war, tu- 16, tupolev, war, ww2