SAN DIEGO (Feb. 25, 2021) Hospital Corpsman 3rd Class Kaitlin O�Brien, from Temecula, Calif., administers the COVID-19 vaccination aboard Wasp-class amphibious assault ship USS Essex (LHD 2) as part of the continuation of the �Expanded Distribution� phase of the Department of Defense (DoD) COVID-19 vaccination plan. (U.S. Navy photo by Mass Communication Specialist 3rd Class Wesley Richardson)