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
Ballston, Arlington, Virginia including The Nature Conservancy, the Navy-Marine Corps Relief Society, and the National Rural Electric Cooperative Association (NRECA), are located in Ballston, as are several government contractors and high tech companies, including CACI, Leidos and the headquarters of ESI International. In 2011, Accenture agreed to move its offices from Reston, Virginia, to a new facility on the corner of Wilson Boulevard and North Glebe Road in Ballston. The neighborhood is home to Washington-Lee High School. Ballston is also home to several university facilities, including: Ballston, Arlington, Virginia Ballston is a neighborhood in Arlington County, Virginia and is home to the Ballston-MU