The 9/11 timeline in photos
A timeline of events that occurred on 9/11
At 1:04 p.m., President Bush, at Barksdale Air Force base in Louisiana, announces that the U.S. military is on high alert worldwide. At 2:51 P.M., the U.S. Navy dispatches missile destroyers to New York and Washington. At 5:25 p.m., the empty 47-story building at 7 World Trade Center collapses.