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
Streets and highways of Arlington County, Virginia (4th Cir.), cert. denied, 409 U.S. 1000 (1972). The impasse was eventually broken when the parties agreed on experts to conduct air quality and noise studies for the Virginia Department of Transportation, then known as the Virginia Department of Highways; then, Secretary of Transportation Coleman personally intervened in 1976 with negotiations to reach a compromise by reducing the highway capacity, making I-66 HOV during parts of the day, and including a subway route in I-66's median. The eastbound traffic lanes of I-66 in Arlington are presently restricted to high-occupancy vehicle (HOV) traffic and motorcycles during morning peak hours, while the