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USCGC Polar Sea (WAGB-11) is a United States Coast Guard heavy icebreaker. Commissioned on 23 February 1977, the ship was built by Lockheed Shipbuilding and Construction Company of Seattle along with her sister ship, Polar Star (WAGB-10) .
In 2010, the High Latitude Mission Analysis Report identified a need for at least six new polar icebreakers, three of which must be what the USCG refers to as "heavy icebreakers". [6] [note 1] In the same year, the USCG's only operational heavy icebreaker at the time, USCGC Polar Sea, was sidelined following engine failure. [10]
After Polar Sea was deactivated in 2010, Polar Star became the US's only heavy icebreaker. The Coast Guard's only other icebreaker, USCGC Healy, despite being classified as a "medium icebreaker", is larger than Polar Star (13,623 LT versus 16,000 LT, respectively), but needs assistance from a heavy icebreaker like Polar Star to operate in the ...
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.
USCGC Polar Star (WAGB-10) USCGC Polar Sea (WAGB-11) 378' High Endurance Cutter (WHEC) USCGC Hamilton (WHEC-715), a Hamilton ... USCGC Cape Current (WPB-95307)
Polar-class: 1 399' Various small arms; USCGC Polar Star (WAGB-10) is only active heavy icebreaker. Entered service in 1976. [7] [8] [9] USCGC Polar Sea (WAGB-11) is located in Seattle, Washington but is not currently in active service. Heritage-class: 0 360' 1 x MK 110 57 mm gun a variant of the Bofors 57 mm gun and Gunfire Control System
USCGC Harriet Lane, a Medium Endurance Cutter (WMEC) United States Coast Guard Cutter is the term used by the U.S. Coast Guard for its commissioned vessels. They are 65 feet (19.8 m) or greater in length and have a permanently assigned crew with accommodations aboard. [1] [2] They carry the ship prefix USCGC.
In 1985, USCGC Polar Sea sparked controversy by navigating the Northwest passage from Greenland to Alaska without formal authorization from the Canadian government. At the time, Polar Sea was on a routine resupply operation and it was deemed by the United States Coast Guard that utilizing the Northwest Passage instead of the Panama Canal would ...