Test Samples Arizona National Guard service members prepare and collect COVID-19 test samples at the Arizona Department of Economic Security before transporting them to a state lab for testing in Prescott Valley, Ariz., Sept. 30, 2020. The testing ensures state employees, who work closely with the public, continue to provide essential services. SHARE: Download: Full Size (2.05 MB) Tags: National Guard, coronavirus Credit: Air Force Tech. Sgt. Michael Matkin, Arizona National Guard VIRIN: 200930-Z-CC902-0077.JPG Photo Gallery