ATLANTIC OCEAN (April 7, 2022) The San Antonio-class amphibious transport dock ship USS Arlington (LPD 24), front, steams alongside Icelandic coast guard offshore patrol vessel ICGV Þór (UT 512L) in support of exercise Northern Viking 22, April 7, 2022. Northern Viking 22 strengthens interoperability and force readiness between the U.S., Iceland and Allied nations, enabling multi-domain command and control of joint and coalition forces in the defense of Iceland and Sea Lines of Communication in the Greenland, Iceland, United Kingdom (GIUK) gap. (U.S. Navy courtesy photo by Icelandic Coast Guard)