S/Sgt Harry C. Knowles flew 37 missions, from 08/16/1944, mission #130, to 01/17/1945, mission #197. He served as a Radio Operator.
S/Sgt Knowles served with the following crewman: Sgt Russell H. Albert, Cpl Alfonso A. Altieri, S/Sgt William 'Wade' T. Brunson, 1st Lt Robert W. Callaway, Capt Denver R. Charleville, 2nd Lt Warren S. Griffin, 2nd Lt Billy S. Hockaday, Sgt Robert L. Jencks, S/Sgt Frederick K. Kolster, S/Sgt Joseph E. La Belle, 2nd Lt Robert S. Lawson, 2nd Lt Oscar R. McMahan, Sgt Earl D. Oviatt, S/Sgt Chestar C. Peltz, S/Sgt James C. Southerland, 2nd Lt Harold P. Swisher, S/Sgt Frederick S. Trendelman, 1st Lt John Udy, Sgt Albert E. Warn, 2nd Lt Herman S. Weiss, 2nd Lt Dale F. Youel and S/Sgt Jack B. Young