McMurdo Sound

The U.S. Coast Guard Cutter Polar Star (WAGB 10) departed McMurdo Sound, Antarctica, on March 1, after operating for 55 days below the Antarctic Circle.
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Polar Star completes Operation Deep Freeze 2026

The U.S. Coast Guard Cutter Polar Star (WAGB 10) departed McMurdo Sound, Antarctica, on March 1, after operating for 55 days below the Antarctic Circle and traveling 14,000 miles in support of

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Polar Star frees fishing vessel trapped in ice

FEBRUARY 15, 2015—On Friday evening, February 14, the crew of the U.S. Coast Guard heavy icebreaker Polar Star freed the Australian-flagged fishing vessel Antarctic Chieftain from ice some 900 miles northwest of