Maj. Ryan Murray,315th Aeromedical Evacuation Squadron flight nurse, and Tech. Sgt. Barbara Clutter, 315th Aerospace Medicine Squadron optometry technician, transfer a simulated litter patient onto a stanchion in preparation for flight during a multi-agency patient evacuation exercise held at Joint Base Charleston and in Greenville, S.C., May 14, 2014. The exercise was organized through the National Disaster Medical System, which coordinates several federal, state and local emergency response agencies in times of crisis and mass casualty. (U.S. Air Force photo by Senior Airman Meredith A. H. Thomas)