Military personnel help load a C-17 Globemaster III during a Mobility Guardian Aeromedical Evacuation exercise mission at Joint Base Lewis-McChord Aug. 3. The exercise involves participation from more than 3,000 U.S. military personnel from the Air Force, Army, Navy and Marine Corps in addition to participants from 25 international countries. (U.S. Air Force photo by Staff Sgt. Daniel Liddicoet)