Airmen at the 8th Air Force Rehabilitation Centre, work on a B-24 Liberator (serial number 42-110140) nicknamed "Unconditional Surrender", formerly of the 491st Bomb Group, that is used as a flak patching trainer. Image stamped on reverse: 'Keystone Press.' [stamp], 'Passed for publication 25 Jul 1944.' [stamp] and '342949.' [Censor no.] Printed caption on reverse: 'MOCK BATTLE FOR US WOUNDED TO MAKE THEM FIGHTING FIT. A US Army Rehabilitation hospital, where soldiers wounded in Italy and Normandy are brought back to physical fitness and now able to go into battle again, is in operation in the Midlands. The course is taken in several phases from convalescence to mock combat. Keystone photo shows: Former aircrew now grounded because of wounds receive instruction on plane repair and installation. An old Flying Fortress [sic] is being used for the demonstration and practice.'