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Polar-class icebreakers USCGC Polar Star (WAGB-10), USCGC Polar Sea (WAGB-11) are heavy icebreakers operated by the United States Coast Guard (USCG). These cutters, specifically designed for icebreaking, have reinforced hulls, special icebreaking bows, and a system that allows rapid shifting of ballast to increase the effectiveness of their icebreaking.
This is a list of icebreakers and other special icebreaking vessels (except cargo ships and tankers) capable of operating independently in ice-covered waters. Ships known to be in service are presented in bold .
The world's first diesel-electric icebreaker was the 4,330-ton Swedish icebreaker Ymer in 1933. At 9,000 hp (6,700 kW) divided between two propellers in the stern and one propeller in the bow, she remained the most powerful Swedish icebreaker until the commissioning of Oden in 1957. Ymer was followed by the Finnish Sisu, the first diesel ...
50 Fun Social Icebreaker Games for Parties and Get-Togethers. Family-Friendly Christmas Games and Activities. ... then see who can guess the song and artists' name first. Spiderstock - Getty ...
The United States, Canada and Finland will work together to build up their icebreaker fleets as they look to bolster their defenses in the Arctic, where Russia has been increasingly active, the ...
Polar icebreaker or Polar-class icebreaker may refer generally to any icebreaker designed to operate in polar regions and/or designed in accordance with the International Association of Classification Societies (IACS) Unified Requirements for Polar Class Ships, or any of the following specific ships or projects: United States Coast Guard
The Polar Icebreaker Project (previously Polar Class Icebreaker Project) is an ongoing Canadian shipbuilding program under the National Shipbuilding Strategy. [6] Announced in 2008 with an intention to replace the ageing CCGS Louis S. St-Laurent with a new polar icebreaker by 2017, the program has faced multiple delays and changes, and as of 2024 consists of two planned icebreakers, CCGS ...
The Canadian Coast Guard initially tried to acquire two types of polar icebreaker, a Polar 7 and a Polar 10. [5] The Polar 7 was to be of conventionally-powered design and the project was approved in the mid-1970s and German and Milne Ltd of Montreal, the largest naval architect firm in the country, were employed to design the ship. In 1976 ...