ELLSWORTH AIR FORCE BASE, S.D. – Airman 1st Class Benjamen Lundy, 28th Maintenance Squadron aerospace propulsion technician, places a universal socket with a six-inch extender onto a quarter-inch drive ratchet wrench, March 25. The 28 MXS services 29 B-1s form both bomb squadrons. (U.S. Air Force photo/Senior Airman Marc I. Lane)