REMEMBERING 9/11 Defense Secretary Robert M. Gates and U.S. Marine Gen. Peter Pace, chairman of the Joint Chiefs of Staff, render honors during a Sept. 11, 2001 remembrance and wreath laying ceremony at the Pentagon, Sept. 11, 2007. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 829141-L-UWF34-058.jpg Photo Gallery