The crew of the Coast Guard Cutter Polar Star opens a channel through the ice to the National Science Foundation's McMurdo Station, Antarctica, for the supply ship Ocean Giant, Jan. 26, 2015. Polar Star's crew is participating in Operation Deep Freeze 2015, part of the U.S. Antarctic program, managed by NSF. (U.S. Coast Guard photo by Petty Officer 1st Class George Degener)