LEADER CHAT U.S. Defense Secretary Chuck Hagel, right, shares a laugh with U.S. Army Lloyd J. Austin III, commander of U.S. Central Command, on Al Udeid Air Base, Qatar, Dec. 10, 2013. During his visit, Hagel toured the combined Air Operations Center and addressed service members there. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 073097-H-DSV32-917.jpg Photo Gallery