180430-N-AT135-023 PACIFIC OCEAN (April 30, 2018) Marine Corps Lance Cpl. Bryan Pena, assigned to 1st Light Armored Reconnaissance (LAR), reads a book in the library aboard the Wasp-class amphibious assault ship USS Essex (LHD 2) during Essex Amphibious Ready Group (ARG) and 13th Marine Expeditionary Unit (MEU) exercise (ARGMEUEX). ARGMEUEX enhances joint integration, lethality and collective capabilities of the Navy-Marine team through joint planning and execution of challenging and realistic training scenarios. (U.S. Navy photo by Mass Communication Specialist 3rd Class Matthew Freeman/Released)