181023-N-AZ467-0056 ATLANTIC OCEAN (Oct. 23, 2018) The Wasp-class amphibious assault ship USS Iwo Jima (LHD 7) steams through the Arctic Circle, Oct. 23, 2018. Iwo Jima is currently underway participating in Trident Juncture 2018, which is a NATO-led exercise designed to certify NATO response forces and develop interoperability among participating NATO Allied and partner nations. (U.S. Navy photo by Mass Communication Specialist Seaman Apprentice Travis Baley/Released)