Department of Defense police for the Department of Defense and its component branches of the US Armed Forces. There is a DoD police agency based at the Pentagon named the United States Pentagon Police, which is part of the Pentagon Force Protection Agency. Formerly the Defense Protective Service (DPS), the Pentagon Police have exclusive jurisdiction within the Pentagon Reservation and have concurrent jurisdiction with other police agencies (state, county, and local) in an area of approximately around the complex. Through a memorandum of understanding (MOU) with Arlington County, U.S. Pentagon Police Officers also possess authority, to enforce laws while on duty in Arlington County,
Construction of the Virginia approaches to Arlington Memorial Bridge had arisen. The best geographic route for Lee Boulevard crossed the northwestern tip of Fort Myer. The War Department was willing to grant an easement to the state to construct this road, but insisted on maintaining jurisdiction over the property. That was unacceptable to the state of Virginia. Other federal officials said that the federal government would also continue to reserve the right to build other approaches to Arlington Memorial Bridge, which the state of Virginia also opposed. The state of Virginia then proposed that federal legislation be enacted to transfer the land to the state. The commandant of Fort