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 The county is governed by a five-person County Board; members are elected at-large on staggered four-year terms. They appoint a county manager, who is the chief executive of the County Government. Like all Virginia counties, Arlington has five elected constitutional officers: a clerk of court, a commissioner of revenue, a commonwealth's attorney, a sheriff, and a treasurer. The budget for fiscal year 2009 was $1.177 billion. For the last two decades, Arlington has been a Democratic stronghold at nearly all levels of government. However, during a special election in April 2014, a Republican running as an independent, John Vihstadt, captured