WASHINGTON (April 16, 2021) Cmdr. Jeremiah Anderson, left, receives the first COVID-19 vaccine dose administered during a five-day vaccination event held at Washington Navy Yard. Naval Support Activity Washington collaborated with Walter Reed National Medical Center to host a SHOTEX event, capable of providing up to 8,000 Pfizer vaccines over the course of five days. (U.S. Navy photo by Elizabeth Kearns)