McChord piolts conduct SPRO training
Staff Sgt. James Mabry, 4th Airlift Squadron loadmaster, prepares a C-17 Globemaster III for a mission April 2, 2015 at Joint Base-Lewis McChord, Wash. The C-17 crew conducted aerial refueling training as well as training on Semi Prepared Runway Operations at Fort Hunter-Liggett, Calif. (U.S. Air Force photo/ Staff Sgt. Tim Chacon)