181020-N-OA516-0243 REYKJAVIK, Iceland (Oct. 20, 2018) Leaders of Trident Juncture 2018 pose for a photo at the Trident Juncture 2018 pre-sail conference at the Hilton Reykjavik Nordica hotel, Oct. 20, 2018. Trident Juncture 2018 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 3rd Class Kevin Leitner/Released)