Heddle Shipyards to Support Seaspan Shipyards in Building Polar Icebreaker for Canadian Coast Guard News provided by Share this article Share this article HAMILTON, ON, May 6, 2021 /CNW/ - As part of the National Shipbuilding Strategy, the Government of Canada announced that Seaspan Shipyards will build a Polar Icebreaker, the flagship of the Canadian Coast Guard's icebreaking fleet. With facilities in Hamilton, St. Catharines, and Thunder Bay in Ontario, and in Newfoundland and Labrador and Nova Scotia, Heddle Shipyards will support Seaspan Shipyards in the construction of a Polar Icebreaker...