History of the United States (1991–2008) South Tower less than twenty minutes later at 9:03 A.M. (EST), resulting in the collapse of both 110 story skyscrapers, and the destruction of the World Trade Center. The third hijacked plane, American Airlines Flight 77, was crashed into the Pentagon (the headquarters of the United States Department of Defense) in Arlington County, Virginia, demolishing a section of the outer southwest facing wall. After discovering that their plane, United Airlines Flight 93, was going to be used as a missile, passengers attempted to regain control of the plane which had been redirected towards Washington, D.C. However, after regaining control from
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