Ice Liberty The crew of the Coast Guard cutter Polar Star participates in an ice liberty in McMurdo Sound, Antarctica, Dec. 29, 2023. The free time gives the crew a moment to walk on the ice and “tow” the vessel. SHARE: Download: Full Size (1.39 MB) Tags: Arctic, ANTARCTICA, Coast Guard, Operation Deep Freeze Credit: Coast Guard Petty Officer 3rd Class Ryan Graves VIRIN: 231229-G-IC479-1157Y.JPG Photo Gallery