The Coast Guard Cutter Polar Star breaks ice in McMurdo Sound near Antarctica on 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.

Photo by: Chief Petty Officer Nick Ameen |  VIRIN: 180113-G-ZE884-273.JPG