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 Fire Department natural disaster staffing, and scene lighting, air replenishment and canteen services for long duration incidents. The Arlington County bomb squad is jointly operated by the ACFD and the Arlington County Police Department. While the bomb disposal rigs are staffed by the fire department, and stored at Fire Station 3, the Bomb Squad works with the ACPD explosive canine teams on explosive related incidents. The squad is classified as a Type 2 squad on FEMA's three-level classification system. This classification denotes that the bomb squad has the following equipment available: The Arlington County Fire Department was the lead agency in the