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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 ...
In August 1971 the Secretary of Transportation announced awarding of a contract to Lockheed Shipbuilding and Construction Company of Seattle, Washington, "to build the world's most powerful icebreaker for the US Coast Guard," Polar Star, the first of two Polar-class icebreakers. [4]
Considered the most technologically advanced icebreakers in the world when first built, the Wind-class icebreakers were also heavily armed; the first operator of the class was the United States Coast Guard, which used the vessels for much-needed coastal patrol off Greenland during World War II.
USCGC Westwind (WAGB-281) was a Wind-class icebreaker that served in the United States Coast Guard as USCGC Westwind (WAG-281), the Soviet Navy as the Severni Polius, and again in the U.S. Coast Guard as USCGC Westwind (WAGB-281).
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.
CCGS Labrador was a Wind-class icebreaker.First commissioned on 8 July 1954 as Her Majesty's Canadian Ship (HMCS) Labrador (pennant number AW 50) in the Royal Canadian Navy (RCN), Captain O.C.S. "Long Robbie" Robertson, GM, RCN, in command.
USCGC Staten Island (WAGB-278) was a United States Coast Guard Wind-class icebreaker.Laid down on 9 June 1942 and launched on 28 December 1942, the ship was commissioned on 26 February 1944, and almost immediately afterward transferred to the Soviet Union, under the Lend Lease program, under the name Severny Veter, which loosely translates as Northwind, until 19 December 1951.
She was the sixth of seven completed ships of the Wind-class of icebreakers operated by the United States Coast Guard. Her keel was laid on 15 March 1946 at Western Pipe and Steel Company shipyards in San Pedro, California , she was launched on 30 April 1946, and commissioned on 28 December 1946 with Commander Gerald L. Ketchum in command.