Test Sample Arizona National Guard service members direct visitor check-in and collect samples for testing at a COVID-19 testing site at the Graham County Fairgrounds in Safford, Ariz., Sept. 19, 2020. The Arizona National Guard is continuing to support COVID-19 testing statewide. SHARE: Download: Full Size (0.22 MB) Tags: coronavirus Credit: Army Spc. Thurman Snyder, Arizona Army National Guard VIRIN: 200920-A-UN281-101.JPG Photo Gallery