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,
Arlington County Fire Department in cooperation with the federal Department of Homeland Security as a part of its stepped up disaster preparedness program. Arlington County Fire Department The Arlington County Fire Department (ACFD) provides fire, emergency medical, and allied public safety services for Arlington County and the City of Falls Church in Virginia, USA. It is highly regarded within the profession as an innovator and leader in enhancing the industry. Among its many firsts are the hiring of the first female career firefighter in the world in 1974 and partnering with the United States Public Health Service to develop America's first Metropolitan Medical Strike