U.S. Air Force 1st Lt. Shawn Griffin, 156th Aeromedical Evacuation Squadron, readies litters for patients during an aeromedical training mission at the North Carolina Air National Guard Base, Charlotte Douglas Intl. Airport, Jan. 9, 2015. The training mission scenario is to transfer patients from Landstuhl Medical Center, Germany, to Malcolm Grove Medical Center, Md. (U.S. Air National Guard photo by Staff Sgt. Julianne M. Showalter, 145th Public Affairs/ Released)