Corporal Stuart was a member of Headquarters and Headquarters Company, 7th Cavalry Regiment, 1st Cavalry Division. He was seriously wounded by the enemy in South Korea on 11 September 1950 and returned to duty on 10 October 1950. He was Killed in Action while fighting the enemy in North Korea on 30 November 1950. His remains were not recovered. His name is inscribed on the Courts of the Missing at the Honolulu Memorial.

Stuart was awarded the Purple Heart with Oak Leaf Cluster, 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.