Sgt Unknown C. Gross flew 8 missions, from 04/04/1945, mission #241, to 04/20/1945, mission #254. He served as a Tail Gunner.
Sgt Gross served with the following crewman: 2nd Lt Charles C. Binzel, 2nd Lt Leonard A. Blees, Sgt Lonnie A. Braxton Jr., Sgt Isaac J. Enterkin Jr., Sgt Robert C. Hirzel, Sgt William F. Seabridge, Sgt Edward B. Thomas and 1st Lt Otis L. Yeargan