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 transport units with one firefighter/EMT and one firefighter/paramedic. Arlington operates nine engine companies, three truck companies, two rescue companies and eight medic units. Additional medic units can be placed in service as necessary. The county is divided into two divisions, the North (112) and the South (111), with one Battalion Chief, an Advanced Paramedic Officer, an Assistant Fire Marshal and Deputy Fire Marshals in each division. Abbreviations: <nowiki>*</nowiki> - Indicates part-time units, often staffed during peak times only. Arlington County Fire Department is the primary all-hazards response agency for Arlington County, Virginia. In addition to ACFD, other fire departments operate