 The Detachment at Myrtle Beach AFB (Det 1, 728th TCS) stood down in 1969 and personnel were sent to Tactical Control Squadrons at Cannon AFB, Eglin AFB, Bergstrom AFB and other bases.The 728th moved to Eglin Air Force Base Auxiliary Field No.3 (Duke Field) on 15 August 1977 as a tenant unit.