S/Sgt Robert S. Williamson flew 35 missions, from 06/14/1944, mission #90, to 10/03/1944, mission #152. He served as a Ball Turret Gunner.
S/Sgt Williamson served with the following crewman: T/Sgt Bert B. Besselieu, S/Sgt Lamar A. Ellis, 1st Lt Horace E. Kron, S/Sgt Joseph J. La Grasta, 1st Lt Jack R. Lippert, T/Sgt Jack P. Mayer, T/Sgt George L. Pettit, S/Sgt Isadore Selesky and 2nd Lt Thomas Y. Youmans