The Pentagon The Pentagon The Pentagon, in Arlington County, Virginia, across the Potomac River from Washington, D.C., is the headquarters of the United States Department of Defense. As a symbol of the U.S. military, the phrase "The Pentagon" is often used as a metonym for the Department of Defense and its leadership. The building was designed by American architect George Bergstrom and built by contractor John McShain. Ground was broken on September 11, 1941, and the building was dedicated on January 15, 1943. General Brehon Somervell provided the major motivating power behind the project; Colonel Leslie Groves was responsible for overseeing the
Middle Schools of Arlington County, Virginia gym and the main gym. In 2013, APS (Arlington Public Schools) started construction on a new elementary school on the WMS campus. The elementary school was named by a naming committee selected by the APS School Board, and is called Discovery Elementary School. Most kids attending Williamsburg will later on attend Yorktown High School. Source: Virginia Department of Education Middle Schools of Arlington County, Virginia There are five middle schools in Arlington County, Virginia, administered by Arlington Public Schools. Gunston Middle School is located at 2700 South Lang Street, in or near Arlington Ridge. The principal is Dr. Lori Wiggins.