SAN DIEGO (March 12, 2021) Hospital Corpsman 1st Class Ramon Downen, from Glendale, Ariz., prepares the COVID-19 vaccine aboard Nimitz-class aircraft carrier USS Carl Vinson (CVN 70). Carl Vinson is currently pierside in its homeport of San Diego. (U.S. Navy photo by Mass Communication Specialist Seaman Caden Richmond)