A History of Marine Fighter Attack Squadron 531

This history traces a half century of active service by Marine Fighter Attack Squadron 531. It was a unique squadron because its history demonstrates the complete evolution from night fighter to all-weather fighter to fighter-attack. Its earliest days placed the Marine Corps as the pioneer of all the military Services in night fighting. From the primitive converted civilian airliner, the PV-1, to the most modern Marine Corps fighter, the F/A-18, the "Grey Ghosts" evolved as their tactics changed