180307-F-SV928-154 ARCTIC OCEAN (March 7, 2018) The Seawolf-class fast-attack submarine USS Connecticut (SSN 22) breaks through the ice during Ice Exercise (ICEX) 2018. ICEX 2018 is a five-week exercise that allows the Navy to assess its operational readiness in the Arctic, increase experience in the region, advance understanding of the Arctic environment, and continue to develop relationships with other services, allies and partner organizations. (U.S. Navy photo by Airman 1st Class Kelly Willett/Released)