An ice rescue team from the Coast Guard Cutter Polar Star conducts training on how to properly set up an ice anchor near Mount Erebus, Antarctica, Saturday, Jan. 13, 2018. The crew of the Seattle-based Polar Star is on deployment to Antarctica in support of Operation Deep Freeze 2018, the U.S. military’s contribution to the National Science Foundation-managed U.S. Antarctic Program. U.S. Coast Guard photo by Chief Petty Officer Nick Ameen.