USAF 51st TFW, 497th TFS, #67-0351, Taegu AB, South Korea, 1985. In 1964 the 497th Tacical Fighter Squadron began flying the F-4 Phantom II and was soon sent to Vietnam. The squadron retained a combat capability until 16 September 1974 when the 8th Tactical Fighter Wing, its parent unit, moved to South Korea.