SALUTE U.S. Army Gen. David H. Petraeus, right, and U.S. Navy Admiral Mike Mullen, chairman of the Joint Chiefs of Staff, salute the colors during the playing of the national anthem at the U.S. Central Command Change of Command ceremony on MacDill Air Force Base, Fla., Oct. 31, 2008. Petraeus assumed command of CENTCOM from U.S. Army Lt. Gen. Martin E. Dempsey. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 704369-T-MGK55-725.jpg Photo Gallery