U.S. Army Sgt. Tyler Kelfant, assigned to Joint Task

U.S. Army Sgt. Tyler Kelfant, assigned to Joint Task Force COVID-19, New York National Guard, prepares to administer the Pfizer-BioNTech COVID-19 vaccine at the Camp Smith Training Site Medical Readiness Clinic, N.Y., on December 18, 2020. The New York National Guard is participating in a Department of Defense vaccine pilot program in which 44,000 doses of the Pfizer vaccine are being administered to front line medical personnel at 16 locations around the world. (U.S. Army National Guard photo by Staff Sgt. Jonathan Pietrantoni)