MULLEN AND PETRAEUS U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and U.S. Army Gen. David Petraeus, commanding general of Multinational Force-Iraq, depart a meeting with Iraqi Prime Minister Nouri al-Maliki, in Baghdad, Iraq, July 9, 2008. Mullen is on a six-day tour of the region to visit troops and host a USO tour. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 959814-U-GUV40-556.jpg Photo Gallery