PACIFIC OCEAN (May 17, 2021) Amphibious dock landing ship USS Pearl Harbor (LSD 52), left, and fleet replenishment oiler USNS Henry J. Kaiser (T-AO 187), middle, transit alongside amphibious assault ship USS Essex (LHD 2) during a replenishment-at-sea (RAS), May 17. Essex and Pearl Harbor are underway as part of the Essex Amphibious Ready Group (ARG) conducting integrated training with the 11th Marine Expeditionary Unit (MEU) 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 3rd Class Brett McMinoway)