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
Ballston, Arlington, Virginia including The Nature Conservancy, the Navy-Marine Corps Relief Society, and the National Rural Electric Cooperative Association (NRECA), are located in Ballston, as are several government contractors and high tech companies, including CACI, Leidos and the headquarters of ESI International. In 2011, Accenture agreed to move its offices from Reston, Virginia, to a new facility on the corner of Wilson Boulevard and North Glebe Road in Ballston. The neighborhood is home to Washington-Lee High School. Ballston is also home to several university facilities, including: Ballston, Arlington, Virginia Ballston is a neighborhood in Arlington County, Virginia and is home to the Ballston-MU