Airman 1st Class Rhiannon Ero, 22nd Operational Medical Readiness Squadron medical technician, administers the first round of the COVID-19 vaccine Feb. 9, 2021, at McConnell Air Force Base, Kansas. The Department of Defense’s priority with the vaccine is to ensure all uniformed personnel, DOD civilians and their families are able to safeguard national security and support the whole-of-government response to the COVID-19 Pandemic. (U.S. Air Force photo by Senior Airman Alexi Bosarge)