Watch: Sub breaks through Arctic ice

WATCH: Submarine Smashes Through Arctic Ice

Amazing video is captured from a U.S. submarine of a British sub breaking through a field of solid ice.

The U.S. Navy and Royal Navy are taking part in an Ice Exercise, known as ICEX, in the Beaufort Sea in the Arctic Ocean.

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ICEX is a five-week training that gives sub crews experience working in the Arctic.

The Department of Defense says events like ICEX allow crews to "continue to develop relationships with other services, allies and partner organizations."

BEAUFORT SEA (March 21, 2018) Hector Castillo, a U.S. Navy Arctic Submarine Laboratory technician, speaks with crewmembers aboard the Seawolf-class fast-attack submarine USS Connecticut (SSN 22) after it surfaced through the ice during the multinational maritime Ice Exercise (ICEX) in the Arctic Circle. 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 Chief Darryl I. Wood/Released)

Credit: Chief Petty Officer Darryl Wood

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Credit: Chief Petty Officer Darryl Wood