Icebreaker
In May 2007, sea trials were completed for the nuclear-powered Russian icebreaker NS . The vessel was put into service by Murmansk Shipping Company, which manages all eight Russian state-owned nuclear icebreakers. The keel was originally laid in 1989 by Baltic Works of Leningrad, and the ship was launched in 1993 as NS "Ural". This icebreaker was intended to be the sixth and last of the "Arktika" class, and currently is the world's largest icebreaker.
CCGS D'Iberville
In 1972, "D'Iberville" was one of three icebreaking escorts for a convoy of cargo ships travelling to Mokka Fjord and Eureka. This was the largest convoy to travel that far north into Canada's Arctic. In 1976, in conjunction with , "D'Iberville" travelled into the Northwest Passage to aid after the small icebreaker damaged both her propellers. In 1981, "D'Iberville" made her last Arctic voyage. The ship was decommissioned in 1983. The vessel was laid up first at Quebec City, then at Sorel. Renamed "Phillip O'Hara" in 1984 and back to "D'Iberville" in 1988, the icebreaker was sold for scrap in 1989 and broken up at Kaoshiung, Taiwan.