KEFLAVIK AIR BASE, Iceland (April 8, 2022) Royal Marine Commandos assigned to M Company, 42 Commando Royal Marines, board a U.S. Marine Corps CH-53E Super Stallion on Keflavik Air Base, Iceland, in support of exercise Northern Viking 2022, April 6, 2022. Northern Viking 22 strengthens interoperability and force readiness between the U.S., Iceland and Allied nations, enabling execution of multi-domain command and control of joint and coalition forces in the defense of Iceland the Sea Lines of Communication in the Greenland, Iceland, United Kingdom (GIUK) gap. (U.S. Marine Corps photo by Staff Sgt. Brittney Vella)