181022-N-RI884-0524 EAST CHINA SEA (Oct. 22, 2018) A Sailor waits to operate a decontamination station as part of a mass casualty drill simulating a chemical, biological, radiological and nuclear (CBRN) incident aboard the amphibious assault ship USS Wasp (LHD 1). Wasp, flagship of 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)