Reservists with the 507th Air Refueling Wing stand in line to receive a briefing regarding the Moderna COVID-19 vaccine Feb. 7, 2021, at Tinker Air Force Base, Oklahoma. More than 250 Reservists voluntarily received the first dose of the two-part Moderna COVID-19 vaccine series during the February unit training assembly to protect their health, their families, their community, and lower the public health risks associated with the COVID-19 pandemic. (U.S. Air Force photo by Tech. Sgt. Lauren Kelly)