Corporal Caruso was a member of Company E, 2nd Battalion, 19th Infantry Regiment, 24th Infantry Division. He was listed as Missing in Action while fighting the enemy near Taejon, South Korea, on 20 July 1950 and presumed dead on 31 December 1953. His name is inscribed on the Courts of the Missing at the Honolulu Memorial.

Caruso 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.