Members of the Contingency Aeromedical Staging Facility and 455th Expeditionary Aeromedical Evacuation Squadron assist patients onto C-17 Globemaster III on Bagram Air Field, Afghanistan, March 21, 2013. The CASF is the relay between the Craig Joint Theater Hospital and aeromedical evacuation missions throughout Afghanistan. (U.S. Air Force photo/Senior Airman Chris Willis)