Booster Registration Air Force Tech. Sgt. Juan Posada, a medic assigned to the 157th Air Refueling Wing, helps residents sign up for COVID-19 vaccination boosters at a mobile clinic in Concord, N.H., Dec. 30, 2021. A team of eight soldiers and airmen directed traffic, registered patients and conducted temperature checks at the Department of Health and Human Services event. SHARE: Download: Full Size (1.98 MB) Tags: air force, health, coronavirus, covid19vaccine Credit: Air National Guard Tech. Sgt. Charles Johnston VIRIN: 211230-Z-HA185-0033.JPG Photo Gallery