Ground Zero ten years later
Panetta 9/11
Credit: AP
A view of the World Trade Center North Tower memorial pool at the National September 11 Memorial and Museum in New York,Tuesday, Sept. 6, 2011. (AP Photo/Susan Walsh, POOL)
Other Photos
Thousands pay tribute at NYC World Trade Memorial
Courage of Flight 93 victims lauded at dedication
Memorial held for 343 firefighters lost on 9/11
Families remember loved ones at September 11 memorial site
Names of 9/11 victims ring out at World Trade Center site
Clinton, Boehner to raise Flight 93 memorial funds
