What underground nuclear bunker near Blue Ridge Summit, Pennsylvania known as "underground Pentagon" became operational in 1966?
Raven Rock Mountain Complex The Raven Rock Mountain Complex (RRMC) is an American military installation with an underground nuclear bunker near Blue Ridge Summit, Pennsylvania, at Raven Rock Mountain that has been called an "underground Pentagon." The bunker has emergency operations centers for the United States Army, Navy, and Air Force. Along with Mount Weather Emergency Operations Center in Virginia and the Cheyenne Mountain Complex in Colorado, it formed the core bunker complexes for the US Continuity of Government plan during the Cold War to survive a nuclear attack.
West Milton, New York West Milton is a hamlet in Ballston Spa, Saratoga County, New York. It lies at an elevation of 440 feet (134 m). Nearby lies the Knolls Atomic Power Laboratory which develops and maintains nuclear submarine reactors. The facility includes a notable large sphere dome constructed in 1953 to contain any possible radiation leaks from the work done within