The crew of the U.S. Coast Guard Cutter Polar Star stands beside the ship while hove-to in the ice in the Ross Sea near Antarctica, Jan. 31, 2015. Polar Star's crew is underway in Antarctica in support of Operation Deep Freeze 2015, part of the U.S. Antarctic program, managed by the National Science Foundation. (U.S. Coast Guard photo by Petty Officer 1st Class George Degener)