To attract the United States Navy, the City of Long Beach built a hangar and an administrative building and then offered to lease it to the Navy for $1 a year for the establishment of the Naval Reserve Air Base. On May 10, 1928, the U.S. Navy commissioned the field as a Naval Reserve Air Base (NRAB Long Beach). Two years later, the city built a hangar and administrative building for the United States Army Air Corps as well. It should be stated that the only significant developments to the little city airport began only after the city built hangars and administrative facilities for the Army and Navy in 1928-30.