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Image For Site: Raven Rock Underground Command Center (Site R) - MD, PA An underground complex, built by the Department of Defense as an emergency shelter and electronic control center. Located underneath 650 acres in the hills near the Pennsylvania/Maryland border, Raven Rock, AKA "Site R", reportedly had a full-time... Model: Canon PowerShot S40

Avaliable Sizes tiny (48 x 48) square (75 x 75) thumb (110 x 83) small (240 x 180) medium (560 x 420) View Site Raven Rock Underground Command Center (Site R)