THREE LEADERS U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and U.S. Army Gen. Raymond T. Odierno, commanding general, U.S. Forces Iraq, bid farewell to Gen. Babaker Zibari, Iraqi Armed Forces chief of staff, in Baghdad, July 27, 2010. Mullen's final stop in Iraq wraps up a 10-day trip around the world to meet with counterparts and troops engaged in the war on terrorism. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 500267-A-IAX52-720.jpg Photo Gallery