U.S. Air Force Airmen line up for lunch at the Crossbow Dining Facility at Joint Base Langley-Eustis, Va., Oct. 30, 2017. Table placards and posters describe the “Go for Green” program, which offers a classification system for the foods Airmen and U.S. Army Soldiers should eat more often to stay healthy. (U.S. Air Force photo by Senior Airman Kaylee Dubois)