COMMAND FLAG Defense Secretary Leon E. Panetta hands the U.S. Transportation Command flag to Air Force Gen. William M. Fraser III after he assumed leadership of the command from Air Force Gen. Duncan J. McNabb during the change-of-command ceremony on Scott Air Force Base, Ill., Oct. 14, 2011. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 225960-R-UPB63-904.jpg Photo Gallery