14 September 2021 Essex Amphibious Ready Group Enters 5th Fleet ARABIAN SEA - Amphibious assault ship USS ESSEX (LHD 2), flagship of the ESSEX Amphibious Ready Group (ESX ARG), along with amphibious transport dock USS Portland (LPD 27), dock landing ship USS Pearl Harbor (LSD 52) and embarked 11th Marine Expeditionary Unit (MEU) entered the U.S. 5th Fleet area