 He remained in that capacity until June 1957, when he assumed command of Training and Test Regiment at Marine Corps Schools, Quantico.While at Quantico, English was appointed commanding officer, The Basic School and was responsible for the basic training of newly commissioned officers until June 1960, when he was ordered to the instruction at Army War College at Carlisle Barracks, Pennsylvania.He graduated in June 1961 and joined the Office of Assistant Secretary of Defense for International Security Affairs under Paul Nitze and served in that capacity until his promotion to brigadier general in August 1963.