RENDERING HONORS Defense Secretary Robert M. Gates, President Barack Obama and Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, render honors during the playing of the national anthem at the Armed Forces Farewell Tribute in honor of Gates at the Pentagon, June 30, 2011. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 662103-Y-LTN85-108.jpg Photo Gallery