181005-N-GX781-0064 ATLANTIC OCEAN. (Oct. 5, 2018) An amphibious assault vehicle enters the well deck of the Whidbey Island-class dock landing ship USS Gunston Hall (LSD 44) as the ship prepares for Trident Juncture 2018. Trident Juncture 18 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 Colbey Livingston/Released)