Airman 1st Class Justin Morris, 28th Maintenance Squadron metals technology apprentice, cuts away metal on an unserviceable B-1 bomber bell crank housing and replaces it with a new one in the metals technology shop at Ellsworth Air Force Base, S.D., May 2, 2012. Metals technology technicians are trained to perform a variety of manufacturing and repairing skills to ensure equipment remains serviceable and operates correctly. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)