WRIGHT-PATTERSON AIR FORCE BASE, Ohio - Staff Sgt. Jaymes Cardwell instructs Airman 1st Class Stacey Scharf how to open and close the emergency exit door on a Cal Evacuation Squadron technician, sets up stanchions onboard a 445th Airlift Wing C-17 Globemaster III during a routine training mission March 14. Both are AES technicians assigned to the 445th Aeromedical Evacuation Squadron. (U.S. Air Force photo/Senior Airman Shen-Chia McHone)