The Ice Tank Shaping Future Coast Guard Icebreakers

Imagine your childhood bathtub playtime magnified into large model ships plowing through an ice-filled tank with a length that rivals the Statue of Liberty’s height. That 300-foot ice tank in the Canadian city of St. John’s is currently helping the U.S. Coast Guard conduct tests of different ship designs as the United States plans to end a 40-year lull in building new heavy icebreakers.

The U.S. Coast Guard aims to build four heavy polar icebreakers as replacements for its single aging he

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