PORTSMOUTH, Va. (April 15, 2021) Hospital Corpsman 3rd Class Charles Connors, from Carmel, Indiana, left, administers a COVID-19 vaccine to Machinist's Mate Fireman Apprentice Christopher Musser, from Houston, on the forward mess decks aboard the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75). Truman is currently in Norfolk Naval Shipyard for its Extended Carrier Incremental Availability (ECIA) period. (U.S. Navy photo by Mass Communication Specialist Seaman Isaac Esposito)