 In 1939 he graduated from the U.S. Army Command and General Staff School at Fort Leavenworth, Kansas and was assigned to the 15th Infantry Regiment at Camp Lewis, Washington where he served with Major Mark W. Clark and Lieutenant Colonel Dwight D. Eisenhower.In 1944, during World War II, he assumed command of the 102nd Infantry Division.He served as Military Governor of Germany from May 1945 to January 1946 when he was assigned as Commander of Troops in Berlin, Deputy Military Governor of the U.S.