August 1944 — Invasion of Southern France
SSG Cooper was a squad leader of an infantry division. A few weeks prior to his death he had charged against 31 Germans in a machine gun out post. With the assistance of one other soldier, killed 7 of the enemy and captured the remaining 24, including one officer. SSG Cooper was awarded the Silver Star for "Gallantry and Fearlessness" in this heroic action against the enemy.
Before the paper work was completed for the "Congressional Medal of Honor", his Commanding officer was also killed in action a few weeks after SSG Cooper.
SSG Cooper was awarded 2 Bronze Stars and the Purple Heart.