Engineers aboard the Coast Guard Cutter Polar Star effect repairs on one of the ship's diesel engines in the engine room Dec. 31, 2019, about 275 miles north of McMurdo Station in the Southern Ocean. The Polar Star is equipped with nine diesel engines, which provide 75,000 horsepower to break ice near Antarctica. The crew of the Seattle-based Polar Star is on its way to Antarctica in support of Operation Deep Freeze 2019-2020, the U.S. military’s contribution to the National Science Foundation-managed U.S. Antarctic Program. U.S. Coast Guard photograph by Senior Chief Petty Officer NyxoLyno Cangemi