OFFUTT AIR FORCE BASE, Neb. - Army Maj. Gen. William Grimsley, Chief of Staff, U.S. Strategic Command, is presented with the U.S. flag by Spc. David Smith, U.S. Strategic Command Joint Color Guard, during his retirement ceremony June 6, 2013 on the Offutt parade grounds. General Grimsley is retiring after 33 years of active duty military service. (Photo by Steve Cunningham)