Medical masks are displayed inside an ultraviolet germicidal irradiation machine inside the Keesler Medical Center at Keesler Air Force Base, Mississippi, April 16, 2020. The 81st Medical Group sterile processing department is implementing new disinfecting methods of ultraviolet germicidal irradiation to create a safer and quicker way of cleaning medical equipment. (U.S. Air Force photo by Airman 1st Class Seth Haddix)