Adm. Mike Mullen greets Iraqi Prime Minister Nouri al-Maliki in Baghdad. Chairman of the Joint Chiefs of Staff Adm. Mike Mullen greets Iraqi Prime Minister Nouri al-Maliki in Baghdad, on Aug. 1, 2011. Mullen is on a five-day USO tour with comedian Jon Stewart, NBA legend Karl Malone and magician David Blane visiting troops in Afghanistan and Iraq. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 080931-R-LVQ39-117.jpg Photo Gallery