Organizational structure of the United States Department of Defense of the Treasury. According to the U.S. Code, the Coast Guard is at all times considered one of the five armed services of the United States. During times of declared war (or by Congressional direction), the Coast Guard operates as a part of the Navy; this has not happened since World War II, but members have served in undeclared wars and conflicts since then while the service remained in its peacetime department. The Pentagon, in Arlington County, Virginia, across the Potomac River from Washington, D.C., is the Department's headquarters. The Department is protected by the Pentagon Force Protection Agency, which
Court House, Arlington, Virginia Court House, Arlington, Virginia Courthouse is a transit-oriented neighborhood in Arlington County, Virginia. It is home to the Court House stop on the Orange Line and the Silver Line of the Metrorail subway system. Although Arlington is so geographically small that it does not have component towns or cities, the Courthouse neighborhood is sometimes referred to as county seat, as it is home to the primary county government administrative complex as well as a justice center consisting of a jail, courthouse and police HQ. Indeed, the neighborhood gets its name from the governmental uses that call it home. The neighborhood