Adm. Mike Mullen addresses service members at an all-hands call at Forward Operating Base Marez. Chairman of the Joint Chiefs of Staff Adm. Mike Mullen addresses service members at an all-hands call at Forward Operating Base Marez, Mosul, Iraq, 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 IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 377794-C-YJZ98-151.jpg Photo Gallery