Editing Roy Geiger (section)

===Development of Marine Corps aviation between the wars===
From December 1919 to January 1921, he was a squadron commander with the Marine Aviation Force attached to the [[1st Provisional Marine Brigade]] in [[Haiti]]. Upon return to the United States and after duty at the Marine Flying Field, Marine Barracks, [[MCB Quantico]], [[Virginia]], he attended [[Command and General Staff School]] at [[Fort Leavenworth, Kansas]]. He graduated in June 1925. Again he went to foreign shore duty, commanding Observation Squadron Two with the First Brigade in Haiti.

In August 1927, he returned to Quantico as a squadron officer and instructor at the Marine Corps Schools, and in May 1928, was assigned to duty in the Aviation Section, Division of Operations and Training, at Marine Corps Headquarters. After attending the [[U.S. Army War College]] and graduating in June 1929, he was ordered to Quantico, where he was assigned duty as [[commanding officer]], Aircraft Squadrons, East Coast Expeditionary Force. He returned to Washington and served as the officer in charge, Marine Corps Aviation from 1931 to 1935, a billet currently held by a lieutenant general that is now known as the deputy commandant for aviation.<ref>Kaufman ''100 Year of Marine Corps Aviation'', p. 315.</ref>

In June 1935, he returned to Quantico as commanding officer, Aircraft One, [[Fleet Marine Force]]. From June 1939 to March 1941, he was a student at the Senior and the Advanced Courses, [[Naval War College]], [[Newport, Rhode Island]]. This was followed with a brief tour of duty in the Office of the Naval Attaché, London.