Amphibious Lights The amphibious assault ship USS Iwo Jima passes under the northern lights during exercise Trident Juncture 2018 in the Norwegian Sea, Oct. 26, 2018. The NATO-led exercise is designed to increase interoperability among nations. SHARE: Download: Full Size (1.53 MB) Credit: Navy Petty Officer 3rd Class Kevin Leitner VIRIN: 181026-N-OA516-0010X.JPG Photo Gallery