U.S. Air Force Capt. Roger Brogis, 36th Rescue Squadron flight surgeon, receives Fairchild’s second Pfizer-BioNTech COVID-19 vaccine from Senior Airman Kyle Quinn, 92nd Health Care Operations Squadron immunization technician at Fairchild Air Force Base, Washington, Jan. 15, 2021. The end-state is that the DoD is able to reduce the burden of COVID-19 in high-risk populations and simultaneously mitigate risk to military operations. (U.S. Air Force photo by Senior Airman Lawrence Sena)