Defense Secretary Robert M. Gates walks with Air Force Gen. Kevin Chilton and his family after the general assumed command of U.S. Strategic Command during a ceremony at Offutt Air Force Base, Neb., Oct. 17, 2007. Defense Secretary Robert M. Gates walks with Air Force Gen. Kevin Chilton and his family after the general assumed command of U.S. Strategic Command during a ceremony at Offutt Air Force Base, Neb., Oct. 17, 2007. SHARE: Download: Full Size (4.03 MB) Tags: photo essays Credit: VIRIN: 187405-Z-DOY69-227.jpg Photo Gallery