CHANGE OF COMMAND Chairman of the Joint Chiefs of Staff U.S. Navy Adm. Mike Mullen sings "Anchors Aweigh" while outgoing Multinational Force Iraq Commander U.S. Army Gen. David Petraeus and incoming Commander U.S. Army Gen. Ray Odierno stand at attention during the change-of-command ceremony in Baghdad, Iraq, Sept. 16, 2008. Mullen served as the presiding officer for the ceremony. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 763277-H-GGC61-142.jpg Photo Gallery