Corporal Henry was a machine gunner with Company I, 3rd Battalion, 32nd Infantry Regiment, 7th Infantry Division. He was listed as Missing in Action while fighting the enemy at "Pork Chop Hill", North Korea, on 11 July 1953. He was presumed dead on 12 July 1954. His remains were not recovered. His name is inscribed on the Courts of the Missing at the Honolulu Memorial.

Henry was awarded the Purple Heart, the Combat Infantryman's Badge, the Korean Service Medal, the United Nations Service Medal, the National Defense Service Medal, the Korean Presidential Unit Citation and the Republic of Korea War Service Medal.