During Operation Cobra, the 957th suffered 35 casualties, including 13 dead when it was accidentally bombed by American aircraft. Collins was among the wounded, but remained at his post. The 957th later participated in the Battle of Aachen, the Battle of the Bulge, and the Western Allied invasion of Germany. For his services, Collins was awarded the Silver Star, Legion of Merit, Bronze Star Medal, Purple Heart and French Croix de Guerre with palm.