After service with the Army of Occupation until August 1919, Hall returned to the United States with the 2nd Division, remaining as brigade and then division adjutant until 1922. He served on the Infantry Board from 1922 to 1923, and was then a student at the Infantry School.
Following his service in the Army of Occupation up to August 1919, Hall rejoined the United States with the 2nd Division. He served as brigade and then division adjutant until 1922. From 1922 to 1923, he was on the Infantry Board, and later pursued studies at the Infantry School.