Sgt Calvin E. Leppanen flew 38 missions, from 01/13/1945, mission #195, to 04/19/1945, mission #253. He served as a Ball Turret Gunner.
Sgt Leppanen served with the following crewman: Sgt John G. Collins, 2nd Lt Jesse L. Fackrell, 2nd Lt William J. Hafley, Sgt William J. Lee, Sgt Norman D. Nichols, Sgt Steve S. Senoric, 1st Lt Melvin H. Sorensen, 2nd Lt John T. Troupe, Sgt Eldon A. Turner and 2nd Lt John N. Zneimer