M. Michael Sorial, Air Force Deputy Program Executive Officer for Weapons, Armament Directorate, receives the first dose of the COVID-19 vaccine Jan. 14 at Eglin Air Force Base, Fla. The vaccinations are voluntary under the Emergency Use Authorization and distributed according to the DOD’s phased prioritization approach. 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 COVID-19. (U.S. Air Force photo/Ilka Cole)