Antarctic Operations Coast Guard Petty Officer 3rd Class Caleb Garrett disconnects a crane hook from a small boat during Operation Deep Freeze near McMurdo Station, Antarctica, Jan. 22, 2020. The crew of the Coast Guard cutter Polar Star is participating in Deep Freeze, the military’s contribution to the U.S. Antarctic Program. SHARE: Download: Full Size (1.09 MB) Tags: science, Coast Guard, Operation Deep Freeze Credit: Coast Guard Senior Chief Petty Officer NyxoLyno Cangemi VIRIN: 200122-G-EM820-0172.JPG Photo Gallery