"former Marine Corps Air Station in Tustin" . . . . . "NAS Santa Ana" . . . . "Blimp Hangars" . "MCAS Santa Ana" . . . "Marine Corps Air Facility Santa Ana" . . . "Marine Corps Air Station Tustin" . . . . . "Marine Corps Air Station" . "Marine air base" . . . . . "Orange County, California" . . . . . "Marine Corps Air Station (Helicopter) Tustin" . . . . . . . . . . "Marine Corps Air Station Santa Ana" . . . "Naval Lighter-Than-Air Station, Santa Ana, California" . "MCAS Tustin" . . . "Marine Corps Air Station Tustin" . . . "commencing 1 April 1942" . . .