Major Tulloch was the pilot of a F-80C Shooting Star fighter interceptor with the 36th Fighter-Bomber Squadron, 8th Fighter-Bomber Group. On 11 January 1952, while on a combat mission, after a run on the target, his aircraft crashed in an inverted position on a mountain top and exploded. He was listed as Missing in Action and was presumed dead on 31 December 1953. His remains were not recovered. His name is inscribed on the Courts of the Missing at the Honolulu Memorial.
For his leadership and valor, Major Tulloch was awarded the Distinguished Flying Cross with 2 Oak Leaf Clusters, the Air Medal with 8 Oak Leaf Clusters, the Purple Heart, 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.