Vandenberg Space Force Base Launch Facility 21 (LF-21) is a former US Air Force Intercontinental ballistic missile launch facility on Vandenberg SFB, California, USA. It was a launch site for the land-based Minuteman missile series. In the 2000s the silo was remodeled into a launch site for an Interceptor for the Ground-Based Midcourse Defense System.
See also Vandenberg AFB Launch Facility 02 Vandenberg AFB Launch Facility 03
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