Air Force Senior Airman Jalearnchi Sirisin, an aircraft hydraulic technician journeyman with the 446th Aircraft Maintenance Squadron, McChord Field, Wash., juggles the struts (one of an aircraft's many landing gear components) to see how much excess play (how much it moves) it has. Aircraft hydraulic technicians, like Airman Sirisin, stand for long periods of time, inspecting each C-17 Globemaster III aircraft component, troubleshooting, removing, repairing, overhauling, and installing aircraft hydraulic systems and components. The Lacey, Wash., resident said aircraft hydraulic technicians must be detail oriented and have a sense of humor. (U.S. Air Force Photo/SSgt. Nicole Celestine)
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