Beaufort Sea, March 11, 2018 - A field team from Ice Camp Skate prepares to attach a brow aboard the Los Angeles-class fast-attack submarine USS Hartford (SSN 768) in support of Ice Exercise (ICEX) 2018. The five-week biennial exercise allows the Navy to assess its operational readiness in the Arctic, increase experience there, advance understanding of the Arctic environment and continue to develop relationships with other services, allies and partner organizations.