Airmen from the 28th Aircraft Maintenance Squadron hydraulic shop, inspect the hydraulic wiring on the wing of a B-1 bomber during routine maintenance at Ellsworth Air Force Base, S.D., May 8, 2013. Aircraft hydraulic specialists are one of six specialties in the 28th AMXS specialist section responsible for making sure the many systems of the B-1s at Ellsworth function properly. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)