sentences:  He returned to his alma mater in 1921, serving as an instructor until 1925.After graduating from the Command and General Staff School at Fort Leavenworth, Kansas he assumed duties as Executive Officer of the 3rd Field Artillery Brigade in 1928.He served in various staff assignments from 1929 to 1931 in Panama, then returned to Fort Sill as an instructor at the United States Army Field Artillery School until 1934.