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 (right), U.S. Navy, listen to a reporter's question during a media availability in the Pentagon on Jan. 24, 2008. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 878365-T-TRN09-360.jpg Photo Gallery