Iowa Testing Air National Guard Senior Airman Manuel Zertuche works with civilian medical staff to administer a COVID-19 test in Sioux Center, Iowa, May 27, 2020. SHARE: Download: Full Size (5.43 MB) Tags: Guard, Air Force, Coronavirus Credit: Air Force Senior Master Sgt. Vincent De Groot VIRIN: 200527-Z-KZ880-084C.JPG Photo Gallery