191029-N-SH953-2125 ATLANTIC OCEAN (Oct. 29, 2019) Sailors assigned to the amphibious assault ship USS Bataan (LHD 5) and the 26th Marine Expeditionary Unit (MEU) treat simulated patients during a mass casualty exercise, Oct. 29, 2019. Bataan is underway conducting a composite training unit exercise (COMPTUEX) with the Bataan Amphibious Ready Group and 26th MEU. (U.S. Navy photo by Mass Communication Specialist 1st Class Kathryn E. Macdonald/Released)