U.S. Defense Secretary Robert M. Gates and U.S. Air Force General Duncan McNabb, 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. U.S. Defense Secretary Robert M. Gates and U.S. Air Force General Duncan McNabb, 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 (3.28 MB) Tags: Photo Essays Credit: VIRIN: 627545-X-WJM11-028.jpg Photo Gallery