GENERALS' CONVERSATION U.S. Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, and U.S. Marine Corps Gen. James N. Mattis, commander of U.S. Central Command, talk aboard a C-17 aircraft while en route to Baghdad, Dec. 15, 2011. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 474680-S-UXB72-930.jpg Photo Gallery