METAL MUSCLE Air Force Airman 1st Class Justin Morris cuts a bushing out of an unserviceable B-1 Lancer bell crank housing in the metals technology shop on Ellsworth Air Force Base, S.D., May 2, 2012. Morris is a 28th Maintenance Squadron metals technology apprentice. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 075134-P-OQP78-518.jpg Photo Gallery