In 1921, after the end of the war, Schlossbach joined the aviation branch of the United States Navy. He was first to be sent to lighter-than-air flying school (dirigibles). In 1922, he learned to fly fixed-wing aircraft. By 1925, then Lieutenant Commander Schlossbach was leading an aero squadron. He first commanded the squadron that flew the record South American flight, and then the first squadron to serve on the first aircraft carrier, .
