NORTH SEA (May 6, 2021) Hospital Corpsman 3rd Class Joseph Synowsky, assigned to 24th Marine Expeditionary Unit (MEU), center, instructs sailors during a mass casualty drill aboard the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7), May 6, 2021. 24th MEU, embarked with the Iwo Jima Amphibious Ready Group, is forward deployed in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe and Africa. (U.S. Marine Corps photo by Staff Sergeant Mark E Morrow Jr)