NORTH SEA (May 12, 2021) U.S. marine Corps Cpl. Christopher Walker, assigned to Marine Medium Tiltrotor Squadron (VMM) 162 (Reinforced), aligns the exhaust port of a CH-53 Stallion helicopter in the hangar bay of the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7), May 12, 2021. Iwo Jima is operating in the North Sea with Amphibious Squadron 4 and the 24th Marine Expeditionary Unit (MEU) as part of the Iwo Jima Amphibious Ready Group (U.S. Navy photo by Mass Communication Specialist 3rd Class Travis Baley)