U.S. Air Force Capt. Cindy Fernandez, 51st Operational Medical Readiness Squadron physicians assistant, prepares the Moderna COVID-19 vaccine at Osan Air Base, Republic of Korea, Dec. 29, 2020. Team Osan will deliberately identify high-risk personnel in accordance with Centers for Disease Control and Prevention, Department of Defense, U.S. Air Force, and U.S. Forces Korea guidance to reduce the burden of COVID-19 on our Airmen, Soldiers, Sailors, Marines, Space Operators, and their families. (U.S. Air Force photo by Staff Sgt. Betty R. Chevalier)