Senior Airman Ian McHaley, 28th Maintenance Squadron hydraulics technician, caps off hydraulic ports on a B-1 brake system to prepare it for shipment on Ellsworth Air Force Base, S.D., Feb. 15, 2013. Capping the ports prevents hydraulic fluid from leaking out and eliminates the possibility of contamination, ensuring proper and timely maintenance. (U.S. Air Force photo by Airman 1st Class Kate Thornton-Maurer/Released)