Watch: Sub breaks through Arctic ice

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BEAUFORT SEA, Arctic Ocean — 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.

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events like ICEX allow crews to “continue to develop relationships with other services, allies and partner organizations.”

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. (Chief Petty Officer Darryl Wood/Commander, Submarine Force Atlan)