1st Lt. Kyoung Craddock, Maj. Beverly Davidson, and Staff Sgt. Darwin Najera, 446th Aeromedical Evacuation Squadron, prepare medical equipment for patient loading on a C-17 Globemaster as part of an Ability to Survive and Operate exercise on Joint Base Lewis-McChord, Oct. 14. (U.S. Air Force photo by Staff Sgt. Daniel Liddicoet)