181006-N-AZ467-0010 ATLANTIC OCEAN (Oct. 6, 2018) Hull Technician 2nd Class Ross Fergerson logs the ballast tank levels in damage control central aboard the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7), Oct. 6, 2018. Iwo Jima is currently participating in Trident Juncture 2018 which is a NATO-led exercise designed to certify NATO response forces and develop interoperability among participating NATO and partner nations. (U.S. Navy photo by Mass Communication Specialist Seaman Apprentice Travis Baley/Released)