USCGC Polar Star icebreaking operations off of Antarctica

The Coast Guard Cutter Polar Star cuts through Antarctic ice in the Ross Sea near a large group of seals as the ship’s crew creates a navigation channel for supply ships, Jan. 16, 2017. The resupply channel is an essential part of the yearly delivery of essential supplies to the National Science Foundation’s McMurdo Station. (U.S. Coast Guard photo by Chief Petty Officer David Mosley)

The Coast Guard Cutter Polar Star cuts through Antarctic ice in the Ross Sea near a large group of seals as the ship’s crew creates a navigation channel for supply ships, Jan. 16, 2017. The resupply channel is an essential part of the yearly delivery of essential supplies to the National Science Foundation’s McMurdo Station. (U.S. Coast Guard photo by Chief Petty Officer David Mosley)

The Coast Guard Cutter Polar Star cuts through Antarctic ice in the Ross Sea near a large group of seals as the ship’s crew creates a navigation channel for supply ships, Jan. 16, 2017. The resupply channel is an essential part of the yearly delivery of essential supplies to the National Science Foundation’s McMurdo Station. (U.S. Coast Guard photo by Chief Petty Officer David Mosley)

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