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,
Middle Schools of Arlington County, Virginia as a junior high school in 1938 and was named after the third president of the United States. The original cornerstone was placed with George Washington's trowel. The current facility opened in 1971 and is located at 125 South Old Glebe Road in Arlington, Virginia 22204. It is built as a rectangle with three individual corridors for each grade. Upon entering the main entrance of the school, the administrative offices are to the left and the library is further down the long hall. Here, the three corridors extend themselves to another long hall in which various classrooms are located. Also,