sentences:  From 1961–63 he served in Vietnam as an Intelligence Officer for I Vietnamese Corps.Following his service in Vietnam, Thurman became one of the few non-Academy graduates ever assigned as a company tactical officer at the United States Military Academy.In 1966 he attended the Command and General Staff College, then returned to Vietnam in 1967, where he assumed command of the 2d Howitzer Battalion, 35th Artillery Regiment in 1968.