 From Korat, the 354th, and later the 357th, which replaced the 354th TFS in June 1973, conducted combat operations first in South Vietnam, then in 1973, in Cambodia, supporting the Lon Nol Government until 15 August 1973 when US combat operations in Southeast Asia were halted by Congress.Withdrawing from Thailand in 1974, the wing began to send its Corsairs to the Air National Guard, and transitioning to the new A-10 Thunderbolt II.By 1979, the wing had completely transitioned to the A-10 and achieved operationally ready status.