190612-N-OX029-1153 BISMARK SEA (June 12, 2019) - Sailors and Marines participate in a mass casualty drill aboard the amphibious assault ship USS Wasp (LHD 1). Wasp, flagship of the Wasp Amphibious Ready Group, with embarked 31st Marine Expeditionary Unit, is operating in the Indo-Pacific region to enhance interoperability with partners as a ready-response force for any type of contingency. (U.S. Navy photo by Mass Communication Specialist 3rd Class Benjamin F. Davella III/Released)