Airman 1st Class Joshua Breeding, 28th Munitions Squadron armament systems apprentice, applies aluminum tape to an opening on a conventional rotary launcher in the armament shop at Ellsworth Air Force Base, S.D., Jan. 26, 2012. Applying the tape prevents foreign objects and debris from entering the CRLs that can cause potential safety risks and equipment failure. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)