U.S. Air Force Senior Airman Morgan Thomas of the Kentucky Air National Guard directs traffic at Kentucky’s largest drive-through COVID-19 vaccination clinic at Cardinal Stadium in Louisville, Ky., April 12, 2021. More than 30 Soldiers and Airmen from the Kentucky Army and Air National Guard are providing direct support to the clinic, which can vaccinate up to 4,000 patients a day. (U.S. Air National Guard photo by Dale Greer)