CENTER OF ATTENTION Defense Secretary Robert M. Gates and Air Force Gen. Kevin P. Chilton, outgoing commander, U.S. Strategic Command, congratulate Air Force Gen. C. Robert Kehler, incoming commander, during the U.S. Strategic Command change-of-command ceremony on Offutt Air Force Base, Neb., Jan. 28, 2011. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 298056-K-DFD55-035.jpg Photo Gallery