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
Virginia Square, Arlington, Virginia Virginia Square, Arlington, Virginia Virginia Square is a neighborhood in Arlington County, Virginia. It is centered at the Virginia Square station on the Orange and Silver lines of the Washington Metro subway system, between Clarendon and Ballston. The neighborhood consists of a mix of high-rise apartments, garden apartments, and single-family homes generally dating back to the 1930s. The Virginia Square neighborhood is home to the Arlington campus of George Mason University including its Law School, the Arlington Arts Center, some offices of the Federal Deposit Insurance Corporation (FDIC), and the main branch of the Arlington Public Library. The area’s name