Country: United States Region: S Dakota
Latitude: 44° 13' 45" N Longitude: -104° 55' 44" E
Area use / Military Branches: Closed
Former S Dakota/Ellsworth Nike air defense area :
In 1957 4 Nike Ajax batteries were positioned around Ellsworth AFB.
Hq facilities were located at Ellsworth as well as the Air-Defense Command Post for Nike missile command-and-control functions.
The site was equipped with the AN/GSG-5(V) BIRDIE solid-state computer system and was integrated with USAF Air Defense Command/NORAD Semi Automatic Ground Environment (SAGE) air defense radar network. The radarsite ceased all ops in 1965.
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