On August 20, 1928, he was again assigned to West Point as Commanding Officer, Provisional Battalion and Executive Officer until March 2, 1929, when he became Commandant of Cadets and Head of Department of Tactics. On June 30, 1933, he attended the Army War College, Washington, D.C., and upon graduation he served in the Military Intelligence Division, War Department General Staff until December 7, 1935. Soon to be promoted to Colonel, he was given command of 5th Cavalry at Fort Clark, Texas. In June 1938, Colonel Richardson assumed command of the 2nd Cavalry Brigade at Fort Bliss, Texas. On October 10, 1940, he assumed command of the 1st Cavalry Division, Fort Bliss, Texas. On February 11, 1941, he became the Director of Public Relations, Washington, D.C.