The mission of RRMC is to support the Secretary of Defense, the Chairman of the Joint Chiefs of Staff, select DoD Components and, as appropriate, non-DoD agencies of the Federal Government, and to enable the execution of DoD mission-essential functions (MEFs) in accordance with DoDD S-5100.44 and continuity of operations (COOP) plans and operational orders.
Raven Rock Mountain Complex (RRMC) is a underground continuity of government facility built by the U.S. government in the early 1950s. It is located about 14 km (8.7 miles) east of Waynesboro, Pennsylvania, and 10 km (6.2 miles) north-northeast of Camp David, Maryland. It is also called the Raven Rock Military Complex, or simply Site R. Other designations and nicknames include “The Rock”, NMCC-R (National Military Command Center Reservation), ANMCC (Alternate National Military Command Center), AJCC (Alternate Joint Communications Center), “Backup Pentagon”, or “Site RT”; the latter refers to the vast array of communication towers and equipment atop the mountain. Colloquially, the facility is known as an “underground Pentagon”.