Senior Airman Michael Vickers, 446th Aircraft Maintenance Squadron guidance and control technician, left, and Tech. Sgt. Josh Vaught, 446th Maintenance Squadron crew chief here, replace an electrostatic discharger on a C-17 Globemaster III at McChord Field Dec. 5. Vickers is a material expeditor at Hill Air Force Base, Utah in his civilian job and Vaught is a crew chief for the 62nd Maintenance Squadron here in his civilian job. (U.S. Air Force photo by Tech. Sgt. Elizabeth Moody)