Dominic Royal (left), U.S. Air Force Staff Sgt. Daniel Rojas, Airman 1st Class Bethany Burris, medical personnel assigned to the 633rd Medical Group medical logistics flight place the newly arrived COVID-19 vaccine into an ultra-low freezer set at -80 degrees Celsius at Joint Base Langley-Eustis, Virginia, Jan. 6, 2021. The vaccine will be distributed to first responders and medical care workers first, then made available to others according to the Department of Defense COVID-19 Vaccine Distribution Plan and Population Schema. (U.S. Air Force photo by Senior Airman Alexandra Singer)