Dominic Royal (left), U.S. Air Force Staff Sgt. Daniel Rojas and Airman 1st Class Bethany Burris, medical personnel assigned to the 633rd Medical Group medical logistics flight, prepare to unpack the COVID-19 vaccine and store in an ultra-low freezer set to -80 degrees Celsius at Joint Base Langley-Eustis, Virginia, Jan. 6, 2021. The COVID-19 vaccine will be distributed in phases, with front line first responders and health care workers being among the first to receive it. (U.S. Air Force photo by Senior Airman Alexandra Singer)