PETERSON AIR FORCE BASE, Colo. – Food service specialists prepare items for the pure bar at the Aragon Dining Facility on Peterson Air Force Base, Colorado, Sept. 11, 2018. The pure bar is part of the Department of Defense’s Go for Green initiative and is an upgrade to the traditional salad bar, including beans, grains, fresh and roasted vegetable options. (U.S. Air Force photo by Staff Sgt. Emily Kenney)