CONGRATULATIONS Defense Secretary Robert M. Gates congratulates U.S. Air Force Gen. Duncan McNabb, commander of U.S. Transportation Command, after attaching the Joint Meritorious Unit Award on the Transcom guidon during a ceremony on Scott Air Force Base, Ill., April 1, 2010. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 783722-M-WLM05-714.jpg Photo Gallery