Senior Airman Jacob Hoffman, 28th Maintenance Squadron aerospace ground equipment technician, removes bolts from a mechanical rammer during routine maintenance at Ellsworth Air Force Base, S.D., April 18, 2012. The mechanical rammer is a vital piece which allows munitions to be loaded on the B-1 bomber. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)