A cameraman in the tail gun position of a B-17 Flying Fortress of the 91st Bomb Group. Passed for publication 1 Feb 1943. Printed caption on reverse: 'How a Flying Fortress Protects Itself: Major William Wyler, who directed the famous film 'Mrs Minniver', is now busy directing an instructional film for the U.S. Army Air Force, showing how a 'Flying Fortress' protects itself against attack by enemy fighters. The Fortress is loaded with cameras in place of the guns and Spitfires, piloted by U.S. Army Air Force Pilots, acting the part of enemy aircraft, are making the attacks, which are recorded by the cine-men and their cameras. Photo shows - Cameras installed on Fortress in place of guns.' On reverse: US Army Press & Censorship Bureau [Stamp]. Print No: 246354