United States Department of Defense United States Department of Defense The Department of Defense (DoD, USDOD, or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces. The department is the largest employer in the world, with nearly 1.3 million active duty servicemen and women as of 2016. Adding to its employees are over 826,000 National Guardsmen and Reservists from the four services, and over 742,000 civilians bringing the total to over 2.8 million employees. Headquartered at the Pentagon in Arlington, Virginia,
Arlington County Fire Department natural disaster staffing, and scene lighting, air replenishment and canteen services for long duration incidents. The Arlington County bomb squad is jointly operated by the ACFD and the Arlington County Police Department. While the bomb disposal rigs are staffed by the fire department, and stored at Fire Station 3, the Bomb Squad works with the ACPD explosive canine teams on explosive related incidents. The squad is classified as a Type 2 squad on FEMA's three-level classification system. This classification denotes that the bomb squad has the following equipment available: The Arlington County Fire Department was the lead agency in the