Adm. Mike Mullen answers a reporter’s question Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, U.S. Navy, answers a reporter’s question during a press briefing with Secretary of Defense Leon E. Panetta at the Pentagon in Arlington, Va., on Sept. 20, 2011. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 208045-W-JHZ39-000.jpg Photo Gallery