Master Sgt. La'Kisha Mays, 81st Healthcare Operations Squadron medical specialties flight chief, administers the COVID-19 vaccine to Col. Wayne Latack, 81st Medical Group internal medicine residency program director, inside the Keesler Medical Center at Keesler Air Force Base, Miss., Dec. 21, 2020. Members of the 81st MDG administered the COVID-19 vaccine to Keesler AFB first responders and members of the Armed Forces Retirement Home in Gulfport, Miss. (U.S. Air Force photo by Airman 1st Class Kimberly L. Mueller)