AT ATTENTION U.S. Defense Secretary Robert M. Gates, left, and U.S. Air Force Gen. Duncan McNabb, second from left, commander of U.S. Transportation Command, stand at attention during a ceremony to present Transcom the Joint Meritorious Unit Award, Scott Air Force Base, Ill., April 1, 2010. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 534929-B-LPH24-607.jpg Photo Gallery