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.
Elleber Ridge Elleber Ridge is the name of a ridge in the Allegheny Mountains of West Virginia and it is also the name of the mountain's summit, Elleber Knob (4,595 ft). It is located in the eastern portion of Pocahontas County near the Virginia state line. The ridge and summit are located entirely in the Monongahela National Forest. Rattlesnake Trail runs from the base of the mountain to Elleber Knob. The summit is also accessible via Elleber Sods Road, which is maintained by the National Forest.