191031-M-KE756-1019 ATLANTIC OCEAN (Oct. 31, 2019) U.S. Navy corpsmen and doctors with the 26th Marine Expeditionary Unit (MEU) and Sailors with Amphibious Squadron 8 participate in a mass casualty drill aboard the amphibious assault ship USS Bataan (LHD 5) during composite training unit exercise (COMPTUEX) in the Atlantic Ocean, Oct. 31, 2019. Bataan is underway conducting a COMPTUEX with the Bataan Amphibious Ready Group and 26th MEU. (U.S. Marine Corps photo by Cpl. Tanner Seims/Released)