Arlington County, Virginia area. The county is situated in Northern Virginia on the southwestern bank of the Potomac River directly across from Washington, D.C., of which it was once a part. With a land area of , Arlington is the geographically smallest self-governing county in the U.S., and by reason of state law regarding population density, has no incorporated towns within its borders. Due to the county's proximity to downtown Washington, D.C., Arlington is home to many important installations for the capital region and U.S. government, including the Pentagon, Reagan National Airport, and Arlington National Cemetery. Many schools and universities have campuses in
Department of the Army Civilian Police "Department of Defense Police" is a catch-all phrase that refers to any civilian engaged in police duties for the Department of Defense and its component branches of the US Armed Forces. There is no such unified agency that goes under the title "Department of Defense Police". A Fort Irwin Department of the Army Civilian Police Officer is assigned the federal occupational series code "0083", the code reserved for police and federal protective officers in the U.S. Government civil service. This occupational series code applies regardless of what specific agency of the officer works for. Individual installations conduct the hiring process