Virginia

Raven Rock Mountain Complex



The Site R tunnel entrance with abutments (39.729642°N 77.432468°W, white figure in illustration) now has a building that is visible from a public road intersection to the west, particularly when trees are bare. The tunnel's other (east) opening is near the military installation's above-ground support area near the Route 16 intersection with Jacks Mountain Road.

Coordinates: 39°44′02″N 077°25′10″W (mountain summit)

See also:
1959 High Point bunker
Mount Weather Emergency Operations Center
1959 Greenbrier nuclear bunker
Project Greek Island

The Raven Rock Mountain Complex (RRMC), also known as Site R, is a U.S. 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, Air Force and United States Marine Corps. 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.

Mount Weather Emergency Operations Center

State Route 601, Loudoun–Clarke counties, near Bluemont, Virginia



Mount Weather, with the Shenandoah Valley in the background

The Mount Weather Emergency Operations Center is a civilian command facility in the U.S. state of Virginia, used as the center of operations for the Federal Emergency Management Agency (FEMA). Also known as the High Point Special Facility (HPSF), its preferred designation since 1991 is "SF."

The facility is a major relocation site for the highest level of civilian and military officials in case of national disaster, playing a major role in continuity of government (per the U.S. Continuity of Operations Plan).

Mount Weather is the location of a control station for the FEMA National Radio System (FNARS), a high frequency radio system connecting most federal public safety agencies and the U.S. military with most of the states. FNARS allows the president to access the Emergency Alert System.

The site was brought into the public eye by The Washington Post, when the government facility was mentioned while reporting on the December 1, 1974, crash into Mount Weather of TWA Flight 514, a Boeing 727 jetliner.