190204-N-RI884-0379 EAST CHINA SEA (Feb. 4, 2019) Marines assigned to the 31st Marine Expeditionary Unit (MEU) carry personnel during a mass casualty drill on the flight deck of the amphibious assault ship USS Wasp (LHD 1). Wasp, flagship of the Wasp Amphibious Ready Group, with embarked 31st MEU, is operating in the Indo-Pacific region to enhance interoperability with partners and serve as a ready-response force for any type of contingency. (U.S. Navy photo by Mass Communication Specialist 1st Class Daniel Barker/Released)