Secretary Gates and Adm. Mullen listen to a reporter's question. Secretary of Defense Robert M. Gates (left) and Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, U.S. Navy, listen to a reporter's question as they conduct a media roundtable in the Pentagon on Nov. 15, 2007. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 071559-A-XXK65-341.jpg Photo Gallery