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, Virginia completed in 2009. At the time of completion, the Turnberry Tower was tallest residential building in the Washington metropolitan area. In 2017, Nestle USA chose 1812 N Moore in Rosslyn as their US headquarters. In 2018, Amazon.com, Inc. announced that it would be splitting its "HQ2" second headquarters project between Arlington and Long Island City, New York. The Arlington HQ2 site is planned for the Crystal City neighborhood, anchoring a broader area of Arlington and the City of Alexandria that was simultaneously rebranded as National Landing. Arlington County is located in northeast Virginia and is surrounded by Fairfax County and