HONORING THE ANTHEM U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, President Barack Obama and Defense Secretary Robert M. Gates render honors, Sept. 11, 2010, during the playing of the national anthem at the Pentagon Memorial during a ceremony marking the ninth anniversary of the Sept. 11, 2001, attacks. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 792078-I-CJE54-390.jpg Photo Gallery