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 Fairlington, Arlington, Virginia Fairlington is an unincorporated neighborhood in Arlington County, Virginia, United States, located adjacent to Shirlington in the southernmost part of the county on the boundary with the City of Alexandria. The main thoroughfares are Interstate 395 (Shirley Highway) which divides the neighborhood into North and South Fairlington, State Route 7 (King Street) and State Route 402 (Quaker Lane). The neighborhood consists of primarily townhouse-type condominium apartments built in the 1940s as the largest housing project financed by the Defense Homes Corporation during World War II. Fairlington is listed on both the National Register of Historic Places and