 In September 1950 he was assigned to Headquarters U.S. Air Force as chief of the Top Secret Branch in the Staff Message Division.He entered the Air Command and Staff School, Maxwell Air Force Base, Ala., in January 1954.Sitton was transferred to Korea in August 1954 and assigned to the 5th Air Force where he served as air operations officer, chief of the Flight Section, and chief, Operations and Training Branch, 314th Air Division.