Sergeant Cruzan was a member of Company A, 1st Battalion, 17th Infantry Regiment, 7th Infantry Division. He was listed as Missing in Action while fighting the enemy at "Pork Chop Hill" in North Korea on 6 July 1953. He was presumed dead on 7 July 1954. His name is inscribed on the Courts of the Missing at the Honolulu Memorial.

For his leadership and valor, Sergeant Cruzan was awarded the Bronze Star Medal, the Purple Heart, the Combat Infantryman Badge, the Korean Service Medal, the United Nations Service Medal, the National Defense Service Medal, the Republic of Korea War Service Medal.