BUCKLEY AFB, Colo. - A construction crew works at installing the building sign in front of the headquarters building at the Air Reserve Personnel Center (ARPC) on Buckley Air Force Base, Colo., Dec. 2. The sign, which has been refurbished, was originally used at ARPC's previous location on Lowry AFB, in Denver, Colo. (U.S. Air Force photo/Quinn Jacobson)