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
Arlington County Police Department in 2015. The ACPD offers the following services: Arlington County Police Department The Arlington County Police Department (ACPD) is the primary law enforcement agency servicing 207,627 people within of jurisdiction within Arlington County, Virginia. The ACPD was created on February 1, 1940 as the Arlington County Division of Police with Harry Woodyard as the first Chief of Police. It assumed its current name on October 1, 1963 after a departmental reorganization. On February 1, 1940, the first Arlington County policing department was formed, under the name of the "Arlington County Division of Police". A few years later, the first ACPD