(PACIFIC OCEAN) June 1, 2018 – Quartermaster Seaman Dianna Howze, left, demonstrates to Quartermaster 3rd Class Zachary Jones how to use a sextant aboard Wasp-class amphibious assault ship USS Essex (LHD 2) during composite training unit exercise (COMPTUEX). COMPTUEX is the final pre-deployment exercise that certifies the combined Essex Amphibious Ready Group (ARG) and 13th Marine Expeditionary Unit’s (MEU) abilities to conduct military operations at sea and project power ashore during their upcoming deployment in summer of 2018. (U.S. Navy photo by Mass Communication Specialist 2nd Class Chandler Harrell/Released)