Delinda Rillo, a medical specimen processing assistant from the United States Air Force School of Aerospace Medicine’s Epidemiology Laboratory logs in samples for COVID-19 testing June 2, 2020. The Epi Lab is the sole clinical reference lab in the Air Force, and USAFSAM is part of AFRL’s 711th Human Performance Wing headquartered at Wright-Patterson Air Force Base in Dayton, Ohio. (U.S. Air Force photo by Richard Eldridge)