Sgt Marvin L. Backus flew 26 missions, from 02/21/1945, mission #211, to 04/19/1945, mission #253. He served as a Ball Turret Gunner and Waist Gunner.
Sgt Backus served with the following crewman: Sgt Frank W. Bailey, Flt O Lafanre L. Berneburg, Sgt John F. Bramble, Flt O Clifton J. Bruscher, S/Sgt Wilbur E. Bush, 2nd Lt Jerry A. Coates, 2nd Lt Byran L. Cosden, Sgt Charles B. Dick, T/Sgt Hugh R. Ferguson, 2nd Lt Phillip B. Funk, 2nd Lt Wiley R. Haggard, Sgt Charles F. Hennig, Sgt Raymond A. Herchenrother, 2nd Lt Walter Janeczek, Sgt Carl Johnson, Sgt James W. Key Jr., 1st Lt John E. Kollar, 2nd Lt Joseph M. Maloney, S/Sgt Waverly W. Moore, Sgt John W. Peters, Sgt Bruce A. Raines, 2nd Lt Frank R. Seavey, S/Sgt Bernard D. Weinstein and 2nd Lt Charles B. Young