A B-17 Flying Fortress of the 351st Bomb Group returns to Polebrook after a mission 20 December 1943. Passed for publication 1 Jan 1944. Handwritten caption on reverse: '351.' Printed caption on reverse: 'Fortress Returns Home From "Biggest Ever" Day Raid On Germany On Three Engines. Associated Press Photo Shows:- One of the Flying Fortresses which took part in the "biggest ever" daylight raid on Germany on December 30, returns to its home base on three engines. Note the stopped propeller (extreme right). WOR 263579. 1-1-44-Y.' Censor no: 298325. On reverse: Associated Press and US Army General Section Press & Censorship Bureau [Stamps].