BUCKLEY AIR FORCE BASE, Colo. – Senior Master Sgt. Shane Enos, 460th Comptroller Squadron and Space Wing Staff superintendent, oversees the clean up behind the wing staff building during a base beautification event Aug. 23, 2012. “Base cleanup is essential,” he said. “As Air Force professionals we adhere to the highest standards, and professional appearance is one of them.” (U.S. Air Force photo by Staff Sgt. Nicholas Rau)