Staff Sgt. George Solis, 28th Maintenance Squadron aerospace ground equipment technician, places a cotter pin during scheduled maintenance on a munitions truck in the AGE shop on Ellsworth Air Force Base, S.D., Oct. 25, 2012. AGE Airmen maintain and service more than 600 pieces of support equipment on Ellsworth. (U.S. Air Force photo by Airman 1st Class Kate Thornton-Maurer/Released)