PACIFIC OCEAN (April 26, 2021) Sailors treat a simulated patient during a medical drill aboard amphibious assault ship USS Essex (LHD 2). Sailors and Marines of the Essex Amphibious Ready Group (ARG) and 11th Marine Expeditionary Unit (MEU) are conducting routine training off the coast of southern California. Together, the 11th MEU, Amphibious Squadron (PHIBRON) 1, and ships are designated as an ARG. (U.S. Navy photo by Mass Communication Specialist 2nd Class William Phillips)