Air Force Senior Airman Cristen A. Manjarrez signals aeromedical evacuation technicians to bring a patient litter onboard a C-17 Globemaster III during a joint training mission with Air Force Reserve airmen at Nashville International Airport, Nashville, Tennessee, June 17, 2018. Manjarrez is an aeromedical evacuation technician with the 514th Aeromedical Evacuation Squadron, 514th Air Mobility Wing. Air Force photo by Master Sgt. Mark C. Olsen