Air Force Maj. Richard Brocksmith, an 88th Medical Group nurse anesthetist, listens to instructions from Maj. Holly Holko, 88 MDG medical services flight commander, while receiving the COVID-19 vaccine from Dale Guinther, an 88 MDG nurse, at Wright-Patterson Air Force Base, Ohio, on Jan. 4, 2021. Portions of this photo have been altered for security reasons. (U.S. Air Force photo by Ty Greenlees)