Staff Sgt. Christian Hills, 36th Medical Operations Squadron Alcohol and Drug Abuse Prevention and Treatment Program coordinator, watches a child walk a line while wearing impaired vision goggles, which simulate being intoxicated, during a Red Ribbon Week presentation Oct. 28, 2015, at Andersen Air Force Base, Guam. The presentations showed what drug abuse is and how to prevent it as well as including demonstrations from the military working dogs and ADAPT. (U.S. Air Force photo by Airman 1st Class Alexa Ann Henderson/Released)