Bolte returned to the United States as a captain in August 1919, nine months after the war came to an end on November 11, 1918 at 11:00am. He chose to remain in the army during the interwar period and completed the Infantry Advanced Course at Fort Benning, Georgia in 1930, graduated in 1932 from the United States Army Command and General Staff College, and was ordered to the American Barracks, Tientsin, China for duty with the 15th Infantry Regiment as S-3 company and battalion commander. In April 1936, back in the United States, Bolte was assigned to command a battalion of the 13th Infantry Regiment at Fort Devens, Massachusetts. The following August, he entered the United States Army War College, graduated in June 1937, and remained there as an instructor until 1940, during World War II, although the United States was not yet involved in the war.