The Pentagon 3,460 recipients of the Medal of Honor, the United States' highest military decoration. The Hall is also used for promotions, retirements, and other ceremonies. Notes Bibliography 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
Lyon Village, Arlington, Virginia Lyon Village, Arlington, Virginia Lyon Village is a neighborhood, or "urban village" located in Arlington County, Virginia, along Lee Highway (U.S. Route 29). It adjoins Arlington County's government center (including the courthouse and police/jail complex), and is approximately one mile west of Rosslyn and less than a mile north of Clarendon, of which it is sometimes considered a sub-neighborhood, as is Cherrydale, the mostly residential district immediately west of Lyon Village. The Lyon Village Historic District encompasses 1,073 contributing buildings and 1 contributing structure. The District as a "cohesive residential neighborhood in northern Arlington County, Virginia, located immediately north of