191017-N-HD110-1286 SOUTH CHINA SEA (Oct. 17, 2019) Engineman 2nd Class Austin Martin, right, from Yahmill, Ore., gives instructions to Engineman Fireman Chilun Li, from Hong Kong, as he uses an Aqueous Film Forming Foam (AFFF) hose on a simulated casualty while conducting an engineering training exercise in one of the engine rooms of the amphibious dock landing ship USS Harpers Ferry (LSD 49) during Cooperation Afloat Readiness and Training (CARAT) Brunei. Harpers Ferry and elements of the 11th Marine Expeditionary Unit (MEU) are ashore in Brunei to perform day and night training in an urban environment and to enhance interoperability and partnership between the U.S. and Brunei during CARAT—Brunei 2019. (U.S. Navy photo by Mass Communication Specialist 3rd Class Danielle A. Baker/Released)