2nd Lt David B. Gruhn flew 32 missions, from 11/30/1944, mission #175, to 03/24/1945, mission #236. He served as a Navigator.
2nd Lt Gruhn served with the following crewman: 2nd Lt Wayne H. Bergman, 1st Lt Charles J. Campbell, Sgt Edward M. Carson, 2nd Lt James W. Carson, S/Sgt James W. Carsons, Sgt Frank J. Corbo, S/Sgt Charles K. Dalton, S/Sgt C.E. Deemer, Sgt Robert I. Emery, T/Sgt Gene M. Feo Jr., Sgt Billie M. Ford, 2nd Lt Phillip W. Foy, 1st Lt Unknown Geier, Sgt Charles E, Heaton, 2nd Lt Louis F. Howard Jr., T/Sgt Charles F. Kartes Jr., Sgt George E. McQuiston Jr., S/Sgt Howard M. Murray, S/Sgt James R. Pearlin, Sgt Michael R. Rossok, S/Sgt Earl Sullivan Jr., Sgt Theodore K. Swanson and Sgt Charles F. Taylor