181015-N-AZ467-0019 ATLANTIC OCEAN (Oct. 15, 2018) Machinist Mate 1st Class Jaime Ortiz performs routine maintenance on a burner barrel in the main machinery room aboard the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7), Oct. 15, 2018. Iwo Jima is underway prior to 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)