S/Sgt James R. Grumann flew 31 missions, from 09/25/1944, mission #147, to 03/18/1945, mission #231. He served as a Ball Turret Gunner.
S/Sgt Grumann served with the following crewman: Sgt Gerald L. Beck, 1st Lt Lester G. Lewis, S/Sgt James E. Lindsay, Sgt Rudolph C. Luca, Capt John W. McGoldrick, 1st Lt Harry C. Miller, 1st Lt George W. Peek, T/Sgt James F. Sheldon and S/Sgt Robert E. St. Ledger