Staff Sgt. Tighson Lends His Horse, 28th Operations Support Squadron air traffic controller, communicates with aircraft with an inhanced terminal voice switch at the Air Traffic Control Tower on Ellsworth Air Force Base, S.D., Nov. 15, 2011. Lends His Horse coordinates with pilots to taxi aircraft on and off the runway safely to avoid collisions. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)