U.S. Army Staff Sgt. Brad Tolstoy, U.S. Army Rapid Equipping Force logistics noncommissioned officer, briefs on a thermal imaging system at Joint Base Langley-Eustis, Virginia, June 10, 2020. The stand-off thermal imaging devices provide advantages over hand-held thermometers such as providing safe distances between operators and subjects, and requiring less manpower. (U.S. Air Force photo by Staff Sgt. Kaylee Dubois)