Site R is the Alternate Joint Communications Center (AJCC) located in Raven Rock mountain [hence the name Site R] just over the Pennsylvania State Line near Waynesboro, Pa. The DISA Site-R Computer Operations staff provides computer services to the NCA, the Joint Staff, the OSD and other DoD agencies through Memorandums of Agreement (MOAs). The facility functions as the disaster recovery site for the JSSC's GMC and DISA GCC. The various service [Army, Navy and Air Force] Emergency Operations Centers (AFEOC) are also located at Site R. Support is provided 24 hours per day, 7 days per week. The facility's Operations Center, DCS Technical Control Facility, the Northeast Dial Service Assistance Center and Information Center provide planning, installation, operation, and maintenance of over 38 communications systems (switching, transmission, data distribution, visual information, and power generation) that support the various customers of the Alternate Joint Communications Center Site R.