Airman 1st Class Conner Tolley, 28th Maintenance Squadron hydraulics technician, removes “bleeding” parts from a brake housing during disassembly at Ellsworth Air Force Base, S.D., May 11, 2012. The 28th MXS pneudraulics shop is responsible for the maintenance of all hydraulic system components on the base’s fleet of B-1 bombers. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)