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,
Fairlington, Arlington, Virginia Gunston Middle School and Wakefield High School. The Arlington County Department of Parks, Recreation & Cultural Resources provides continuing education at the Fairlington Community Center. The Community Center began as the Fairlington Elementary School in 1940 and was converted into a community center in 1979. Fairlington is in the 3rd District of the Arlington County Police Department which cooperates with the Fairlington Citizens Association. Arlington Fire Station No. 7 of the Arlington County Fire Department housing Engine 107, located at is located on South Abingdon Street in North Fairlington. The Arlington County office of the Virginia Cooperative Extension Service is