The Royal Thai Air Base Nam Phong in Nam Phong district, Khon Kaen Province, Thailand in June 1972 became a base of operations for United States Marine Corps air operations by Marine Aircraft Group 15, 1st Marine Aircraft Wing. The squadrons soon in residence included H&MS-15, MABS-15, VMFA-115 and VMFA-232 with F-4 Phantom IIs, VMA(AW)-533 with A-6 Intruders, VMGR-152 with KC-130 Hercules, and H&MS-36, Det "D" with CH-46 Sea Knights. During Operations the base was used to fly air operations against targets in Vietnam, Cambodia and Laos.