A C-17 Globemaster III from Joint Base Lewis-McChord, Wash., receives fuel from a Utah Air National Guard KC-135 Stratotanker during a training mission over northern Utah and southwestern Wyo., May 19, 2020. C-17s have played an integral role in fighting COVID-19 by delivering vital supplies and transporting patients for medical treatment. (U.S. Air Force photo by Tech. Sgt. Natasha Stannard)