MCCHORD FIELD, Wash. - Tech. Sgt. James Castle (left), 446th Aircraft Maintenance Squadron crew chief and air reserve technician, trains crew chiefs from the 164th Aircraft Maintenance Squadron, Tennessee Air National Guard on C-17 aircraft systems here, Aug. 30. Reservists from the 446th AMXS are helping 12 crew chiefs from the 164th AMXS, Tennessee Air National Guard, gain C-17 aircraft systems proficiency and certification in preparation for the planned delivery of 8 C-17’s to Memphis, Tenn. in fiscal 2013. (U.S. Air Force photo by Tech. Sgt. Elizabeth Moody)