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
Construction of the Virginia approaches to Arlington Memorial Bridge Construction of the Virginia approaches to Arlington Memorial Bridge The construction of the Virginia approaches to Arlington Memorial Bridge was a 16-year road construction project to connect Arlington Memorial Bridge with roads in Arlington County, Virginia, in the United States. Initial design proposals were made in 1926, but extensive political wrangling and indecision delayed the project and even the new bridge itself, which finally opened in 1932 after a connection to the Arlington National Cemetery was made via Memorial Drive. Officials with Arlington County and the state of Virginia long debated whether to build new roads, which would be far