200501-N-EY021-1038 PACIFIC OCEAN (May 1, 2020) Machinist�s Mate 3rd Class Joshua Simmons performs maintenance in the aft main machinery room of the Wasp-class amphibious assault ship USS Essex (LHD 2). Essex is underway in the eastern Pacific Ocean conducting routine maritime operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Tyler Diffie/Released)