NEW RESPONSIBILITY Defense Secretary Robert M. Gates passes the command flag to Air Force Gen. C. Robert Kehler, signifying his assumption of command of U.S. Strategic Command 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 (0.06 MB) Photo By: VIRIN: 418970-S-DNA55-107.jpg Photo Gallery