The inscription indicates he was a member of the 414th Fighter Group, Army Air Forces during World War II. Combat elements of the 414th were the 413th, 437th and 456th Fighter Squadrons. The 414th was an element of 20th Air Force. The group arrived at Iwo Jima in July 1945 and escorted bombing missions against the Japanese Home Islands. Also conducted strafing missions against selected ground targets. Assigned to the 13th Air Force in the Philippines in December 1945. Inactivated in the Philippines in September 1946.