1st Lt John W. Sinkking flew 28 missions, from 09/10/1944, mission #141, to 02/23/1945, mission #213. He served as a Copilot.
1st Lt Sinkking served with the following crewman: 2nd Lt Kenneth D. Buvinghausen, 1st Lt Allan L. Cone, S/Sgt Thomas Davis Jr., S/Sgt Cyraque J. Dupuis, S/Sgt Orville A. Eudaley, Sgt John E. Grenillion, 1st Lt Harry E. Haskett, Sgt Hinson C. Jones, S/Sgt Brenden J. Lynch, 1st Lt M.L. More, Sgt Peter J. Osborne, S/Sgt Melvin L. Roberts, Sgt Edward F. Swatski, S/Sgt Joseph J. Tamburine, Capt Laurel A. Turk, Cpl Murray N. Vecchio, S/Sgt A.J. Vigona, 2nd Lt Donald E. Walters and S/Sgt Simon Wieselthier