ACADEMY VISIT U.S. Navy Adm. Mike Mullen chairman of the Joint Chiefs of Staff addresses students at the U.S. Army Sergeants Major Academy on Fort Bliss, Texas, Sept. 18, 2007. Mullen is returning from a trip to Bulgaria, Turkey and Iraq. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 470306-A-FDY11-554.jpg Photo Gallery