Airman 1st Class Leslie Hibbitts, 28th Contracting Squadron contract administrator, passes a Christmas tree to a fellow volunteer during Trees for Troops outside the 28th Force Support Squadron Outdoor Recreation Office at Ellsworth Air Force Base, S.D., Nov. 30, 2012. Tree farms from Iowa, Kansas and Missouri donated 235 trees for the event, providing Airmen with a free Christmas tree to thank them for their service. (U.S. Air Force photo by Airman Ashley J. Woolridge/Released)