Senior Airman Ian McHaley, 28th Maintenance Squadron hydraulics technician, inspects safety wire on a B-1 brake system prior to shipment at the 28th MXS Hydraulics Shop on Ellsworth Air Force Base, S.D., Feb. 15, 2013. The wires are used to secure fittings, bolts and screws to prevent the possibility of damage from foreign objects and debris. (U.S. Air Force photo by Airman 1st Class Kate Thornton-Maurer/Released)