Lewistown Air Force 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 1961 Lewistown AFS joined the Semi Automatic Ground Environment (SAGE) system, initially feeding data to DC-20 at Malmstrom AFB, Montana.On 31 July 1963, the site was redesignated as NORAD ID Z-25, and the AN/FPS-3A was removed in 1963, replaced by an AN/FPS-66 search set.After the facility's closure, the housing/cantonment area was used for a time as the campus of the now-defunct Big Sky Bible College.Big Sky Bible college has reopened and is now located in Bozeman Montana This article incorporates public domain material from the Air Force Historical Research Agency
Air Defense CommandUnited States Air ForceHilger, MontanaAN/FPS-3AN/FPS-6AN/FPS-90Semi Automatic Ground EnvironmentMalmstrom AFBAN/FPS-66Big Sky Bible College29th Air DivisionGreat Falls Air Defense Sector28th Air Division24th Air DivisionList of USAF Aerospace Defense Command General Surveillance Radar Stationspublic domain materialAerospace Defense CommandAmarilloCharlestonDavis-MonthanDobbinsDuluthEdwardsEllingtonEllsworthEnglandEthan AllenFairfaxFallonFort Gregg-AdamsFort HeathGeigerGeorgeGlasgowGrand ForksGrenierGriffissGunterHamiltonHancockHomesteadHurlburtHunterImesonKey WestKincheloeKingsleyKirtlandLacklandLaredoLarsonMacDillMalmstromMcChordMcClellanMcGhee TysonMcGuireMinneapolis-St. PaulMitchelNew CastleNiagara FallsNortonOxnardPerrinPetersonPittsburghPortlandPresque IsleR.I. BongRichards-GebaurRobinsK.I. SawyerSelfridgeSeymour JohnsonSioux CityStewartSuffolk CountyTinkerTravisTyndallVandenbergVincentWalkerWestoverWright-PattersonWurtsmithYoungstownErnest HarmonFrobisher BayKeflavikMcAndrewPepperrellAlmadenAlpenaAntigoArlington HeightsBedfordBellefontaineBellevilleBentonBlaineBrookfieldBrunswickCalumetCambriaCape CharlesCape CodCaswellChandlerCheyenne MountainClaysburgColvilleCondonContinental DivideCottonwoodCross CityCrystal SpringsCurlewCusterCut BankDallas CenterDauphin IslandDickinsonDuncanvilleEldoradoEmpire