US Air Force (USAF) STAFF Sergeant (SSGT) David Vigil (left) 28th Maintenance Squadron, Ellsworth Air Force Base (AFB, South Dakota (SD), gives a high-five to a Black Hills area resident while volunteering as a Coaches Assistant, during the Special Olympics Spring Games held in Sturgis, South Dakota. Special Olympics are an international, year-round program of sports training and competition for individuals with mental retardation