 He once again returned to West Point to become the 51st Commandant of Cadets at West Point in 1963.He next was assigned as Commandant of the Command and General Staff College, followed by promotion to lieutenant general in 1968, and appointment as Deputy Commander-in-Chief, U.S. Army Pacific, and subsequently as Chief of Staff for Commander-in-Chief, United States Pacific Command.In 1970, he assumed command of II Field Force, Vietnam, and was responsible for conducting the Cambodian Campaign.