Ledger, Montana: Perimeter Acquisition Radar Site
Giant concrete Cold War building on the northern plains -- built to withstand a nuclear blast -- was apparently left unfinished in the early 1970s.
- Address:
- Hauser Rd, Ledger, MT
- Directions:
- I-15 exit 345. Drive east on Ledger Rd for 28 miles. Turn north onto Hauser Rd. Drive a half-mile. You'll see the concrete ruins on the left.
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Visited the Perimeter Acquisition Radar site in July of 2021. It's easy to spot from the road and there's an active missile silo just across the street.
[KC Crowe, 02/12/2022]The Anti Ballistic Missile Defense System, sometimes referred to as the Ballistic Missile Defense system, has gone through a number of variations throughout the years. Beginning in 1970 with the construction of the Stanley Mickelsen Safeguard Complex, and ending up as the current day Ground-based Midcourse Defense (GMD).
[Timothy Sutton, 04/20/2021]Nearby Offbeat Places



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This giant concrete Cold War building on the northern plains -- built to withstand a nuclear blast -- was left unfinished in the early 1970s. Although in the middle of nowhere, the roads leading to it are well paved, and graffiti embellishes most accessible walls.