Rank and organization Second Lieutenant, U.S. Army Air Corps. 510th Bomber Squadron, 351st Bomber Group. Place and date: Over Europe, 20 February 1944. Entered service at: Aurora, Ill. Born: 31 October 1918, Aurora, Ill. G.O. No.: 52, 22 June 1944.
Citation... For conspicuous gallantry and intrepidity at risk of life above and beyond the call of duty in action against the enemy in connection with a bombing mission over enemy-occupied Europe on 20 February 1944. The aircraft on which 2d Lt. Truemper was serving as navigator was attacked by a squadron of enemy fighters with the result that the copilot was killed outright, the pilot wounded and rendered unconscious, the radio operator wounded and the plane severely damaged Nevertheless, 2d Lt. Truemper and other members of the crew managed to right the plane and fly it back to their home station, where they contacted the control tower