Staff Sgt. Michael Elbo, 509th Healthcare Operations Squadron NCO in charge of immunizations, administers a COVID-19 vaccine at Whiteman Air Force Base, Missouri, Dec. 30, 2020. The Whiteman AFB COVID-19 vaccine distribution and administration plan will implement a phased, standardized and coordinated strategy for prioritizing, distributing, and administering COVID-19 vaccines to installation personnel. (U.S. Air Force photo by Staff Sgt. Dylan Nuckolls)