NORFOLK (Feb. 19, 2021) Hospital Corpsman 3rd Class Christina Essigmann, assigned to the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7), administers a COVID-19 vaccine to a fellow Sailor in the ship's medical department, Feb. 19, 2021. Iwo Jima is conducting training with Amphibious Squadron 4 and the 24th Marine Expeditionary Unit (MEU) as part of the Iwo Jima Amphibious Ready Group. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brenton Poyser)