sentences:  His time there was followed as a student at the Army War College, and after graduating in 1935 he went to the Naval War College.His schooling was followed by assignment to the General Staff until 1940, interrupted for a year by taking command of the 78th Field Artillery Battalion at Fort Benning.In December 1941 he was promoted to temporary brigadier general, and temporary major general in June 1942 when he became Assistant Chief-of-Staff in charge of Operations Division, succeeding Dwight Eisenhower.