Graduating from the tactical school in June 1934, Schilt began another four years at Quantico, where he was air officer on the staff of the commanding general, Fleet Marine Force, and later a squadron commander with Aircraft One, Fleet Marine Force. He then served from May 1938 to June 1940, as executive officer of the Marine Corps Air Station St. Thomas, on the Virgin Islands. After that he returned to Quantico to complete the Senior Course in the Marine Corps Schools and serve with Base Air Detachment 1, Fleet Marine Force.