Capt. Chad Waldorf, U.S. Air Force Test Pilot School student, prepares a COVID-19 vaccination record card before receiving the vaccine Jan. 22, 2021 at the Airmen and Family Readiness Center on Edwards Air Force Base, California. All DOD personnel are encouraged to take the vaccine to protect their health, their families and their communities and to lower the public health risks associated with the COVID-19 pandemic. (U.S. Air Force photo/Tech. Sgt. Robert Cloys)