SOUTHWEST ASIA – Staff Sgt. William Ellis, 386th Expeditionary Medical Group clinical engineer non-commissioned officer-in-charge, repairs an infusion pump here Sept. 13. The pump is used to inject fluids and medications into a patient. The piece is part of patient movement items used for Contingency Aeromedical Staging Facility delivery for higher level of medical care. Ellis performs scheduled maintenance on medical equipment ensuring the items are safe to be used on patients and users. Ellis is the 386th Air Expeditionary Wing Rock Solid Warrior this week. (U.S. Air Force photo/Staff Sgt. Alexandra M. Boutte)