Seven-year-old Tristan Crain, son of retired Tech Sgt. Tammy Crain, hugs Sparky the Fire Dog during a Fire Prevention Week demonstration at the Base Exchange, Langley Air Force Base, Va., Oct. 9, 2012. This year, Joint Base Langley-Eustis will host several National Fire Prevention Week events on both installations, including door-to-door visits in housing areas, hands-on fire extinguisher training, open houses, and Exchange and commissary visits. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)