The U.S. Navy minesweeper USS "Leader" (MSO-490) seen from a Lockheed SP-2H "Neptune" from Patrol Squadron 4 (VP-4) on patrol off the coast of Vietnam, circa 1965. VP-4 began a splitsite deployment to Marine Corps Air Station Iwakuni, Japan, with detachments at various dates located at Naval Air Facility Tan Son Nhut, Vietnam; Naval Station Sangley Point and Naval Air Station Cubi Point, Philippines, in March 1965.