Receiving the Defense Secretary's approval on 21 July, the Air Force directed the Corps of Engineers to proceed with construction.On 16 April 1951 the 784th Aircraft Control and Warning Squadron was initially activated at Godman Field, KY (LP-82) on Fort Knox[1] where it operated a World War II-era AN/TPS-1C radar, and initially the station functioned as a Ground-Control Intercept (GCI) and warning station.As a GCI station, the squadron's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes.During 1962 Snow Mountain AFS joined the Semi Automatic Ground Environment (SAGE) system, feeding data to DC-22 at Truax Field, Wisconsin.In addition to the main facility, Snow Mountain operated four unmanned AN/FPS-18 Gap Filler sites: The 784th Radar Squadron was inactivated on 18 June 1968 with the closure of Snow Mountain Air Force Station due to the perceived remote threat of an aircraft attack on Fort Knox.