A B-17 Flying Fortress of the 401st Bomb Group, airborne in spite of the flak hole ripped into its left wing. Printed caption on reverse: '56751 AC- BERLIN DAMAGE- Flak over Berlin, March 18 1945, during the more than 1300 heavy bomber attack on rail and industrial targets in the capital city of the Reich, was responsible for the torn wing tip on the US Eight AF Boeing B-17 Flying Fortress. Intense anti-aircraft fire made things hot for the heavy bombers over the target. US Air Force Photo.'