 | "911" World Trade Center Attack: President Bush's Chief of Staff, Andy Card, whispers into the ear of the President to give him word of the plane crashes into the World Trade Center, during a visit to the Emma E. Booker Elementary School in Sarasota, Fla., in this Sept. 11, 2001 file photo. click to open  |
 | "911" World Trade Center Attack: The Statue of Liberty, right, stands at the entrance to New York Harbor as the twin towers of the World Trade Center burn in this view from Jersey City, N.J., in this Sept. 11, 2001 file photo. click to open  |
 | "911" World Trade Center Attack: A subway entrance at the intersection of Dey and Church Streets is in the foreground of the destruction of the World Trade Center in this Sept. 11, 2001 file photo. click to open  |
 | "911" World Trade Center Attack: Engine 28 firefighter Mike Kehoe, from Staten Island, N.Y., assists in the evacuation effort in a stairwell of Tower One in this Sept. 11, 2001 file photo during the attacks on the World Trade Center towers in New York. This photo was shot by John Labriola whohad an office on the 71st floor of the building. He escaped with no injuries. Fellow firefighter Bobby Annunziato, at Engine 28 in Manhattan, said Kehoe escaped before the towers collapsed. click to open  |
 | "911" World Trade Center Attack: Two women hold each other as they watch the World Trade Center burn following a terrorist attack on the twin towers in New York, in this Sept. 11, 2001 file photo. click to open  |
 | "911" World Trade Center Attack: People run from the collapse of one of the twin towers of New York's World Trade Center in this Sept. 11, 2001 file photo. click to open  |
 | "911" World Trade Center Attack: The rubble of the World Trade Center smoulders following a terrorist attack September 11 2001 in New York. click to open  |
 | "911" World Trade Center Attack: A person falls headfirst after jumping from the north tower of New York's World Trade Center, in this Sept. 11, 2001 file photo. click to open  |
 | "911" World Trade Center Attack: A jet airliner is a moment before crashing into one of New York's World Trade Center twin towers click to open  |
 | "911" World Trade Center Attack: The World Trade Center's North and South towers are seen in flames following the attacks in New York City September 11, 2001. click to open  |