U.S. Air Force Airmen attending the Senior Master Sgt. David B. Reid Airman Leadership School, Class 15-1, help clean at the Winter Wonderland Bazaar at Shaw Air Force Base, S.C., Nov. 8, 2014. During the five-week course, ALS students participate in at least one volunteer project to benefit the community on and off base. (U.S. Air Force photo by Airman 1st Class Jensen Stidham/Released)