 The 366th TFW was inactivated on 31 October 1972, being reactivated the same day without personnel or equipment at Mountain Home Air Force Base, Idaho.Relieved from combat assignment in Southeast Asia, the 366th was reassigned without personnel or equipment to the United States in October 1972 to replace the 347th Tactical Fighter Wing at Mountain Home AFB, Idaho.At Mountain Home, the wing was assigned the 389th, 390th, and 391st Tactical Fighter Squadrons which had returned from Vietnam, joined the 347th, and began converting to General Dynamics F-111F aircraft.