Marine Fight Attack Squadron 312, the Checkboard squadron, enjoys a fine reputation among Marine aviators. This volume, one of a series of brief histories on famous aviation squadrons, is offered as a tribute to the pilots and crewmen who have contributed so significantly to Marine aviation. The history of Marine Fighter Attack Squadron 312 is a narrative account of the famed Checkerboard squadron in action. VMFA-213 saw its first action in the skies over Okinawa during World War II, and later the squadron was used throughout the Koren conflict. The squadron was one of the first Marine squadrons in Vietnam.