Greeley Testing Colorado National Guard soldiers and airmen perform decontamination procedures after COVID-19 testing in Greeley, Colo., April 23, 2020. SHARE: Download: Full Size (3.26 MB) Tags: air force, army, national guard, coronavirus Credit: Air National Guard Senior Master Sgt. John Rohrer VIRIN: 200424-Z-QD622-1182Y.JPG Photo Gallery