Ground crews, and air crews not assigned to the 31 May 1943 mission, await the return of the 305th Bomb Group B-17 Flying Fortresses assigned to the day's raid. Passed for publication 31 May 1943. Printed caption on reverse: 'Fortress Raid. At a Fortress station somewhere in England the big bombing groups go out for their day-light sweeps. The ground crews "sweat it out" waiting for their return. These pictures show some of the details of a return. Picture Shows:- 3- Ground officers and fliers not in the days operation "sweat it out" waiting for the return. Their eyes turn skyward as the returning bombers fly over their home field.' Censor no: 266820. On reverse: US Army Press Censor ETO and US Army General Section Press & Censorship Bureau [Stamps].