(Pictured left) U.S. Air Force Technical Sgt. Cam Vaillant, 446th Aeromedical Evacuation Squadron medical technician, here, tells Boy Scout troops about the AES mission evacuating sick and injured patients from harm's way and transferring them to an environment that supports their recovery during wartime, peacetime and humanitarian operations. Three Boy Scout troops from Seattle and Redmond, Wash., toured McChord Field for some hands-on experience aboard a C-17 Globemaster III static display. (U.S. Air Force photo by Staff Sgt. Elizabeth Moody/Released)