Adm. Mullen testifies alongside Secretary of Defense Panetta Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, U.S. Navy, testifies alongside Secretary of Defense Leon E. Panetta at a Senate Armed Services Committee hearing on the U.S. strategy in Afghanistan and Iraq on Sept. 22, 2011, in Washington, D.C. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 889553-M-NNG13-289.jpg Photo Gallery