We took the train to
We saw these from the train. The United States Air Force Ballistic Missile Early Warning System was the first operational ballistic missile detection radar. The original system was built in 1959 and could provide long-range warning of a ballistic missile attack over the polar region of the Northern Hemisphere. The facilities operated their original 1950s vintage radars for more than four decades. The fence antennas each 165 feet (50 m) tall and 400 feet (120 m) wide,but all have been upgraded with more modern phased array radars.
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