151105-N-HP061-015 INDIAN OCEAN (Nov. 5, 2015) Senior Chief Damage Controlman David Mayfield conducts training during a damage control exercise aboard Wasp-class amphibious assault ship USS Essex (LHD 2). Essex is the flagship of the Essex Amphibious Ready Group and, with the embarked 15th Marine Expeditionary Unit (15th MEU), is currently operating in the U.S. 7th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class Donavan K. Patubo/Released)