Overview: They are the toughest ships in the water, plowing headlong into one of nature’s hardest obstacles. Modern icebreakers can smash through 10-foot thick ice sheets without stopping, allowing scientists and commercial shipping access to some of earth’s most inhospitable spots. Join our bone-chilling journey as we patrol the Great Lakes on the USCG Cutter Makinaw and traverse the infamous Northwest Passage on the maiden voyage of the USCG Healy, the newest Polar Class Icebreaker in the U.S. Fleet.