Airman 1st Class Shawn Regina McMahan, 92nd Medical Operations Squadron emergency medical technician, displays a crash kit, defibulator and vitals monitor in the rear compartment of an ambulance, Aug. 18, 2016, at Fairchild Air Force Base, Wash. Fairchild EMTs work 24-hour shifts with two days off in-between. (U.S. Air Force photo/Airman 1st Class Ryan Lackey)