A jet airliner is lined up on one of the World Trade Center towers in New York Tuesday, Sept. 11, 2001. In the most devastating terrorist onslaughts ever waged against the United States, knife-wielding hijackers crashed two airliners into the World Trade Center on Tuesday, toppling its twin 110-story towers. (AP Photo/Carmen Taylor)
Fiery Impact
Bush Interrupted
NYC Skyline Up In Smoke
Smoke Streams Out Of North Tower
Fires Rage At World Trade Center
WTC South Tower Collapse
The south tower of New York's World Trade Center collapses Tuesday Sept. 11, 2001. In one of the most horrifying attacks ever against the United States, terrorists crashed two airliners into the World Trade Center in a deadly series of blows that brought down the twin 110-story towers. (AP Photo/Richard Drew)