Petty Officer 2nd Class Zachary Draim, a boatswain’s mate aboard the Coast Guard Cutter Polar Star, answers questions on Saturday, Jan. 6, 2018, during his board to earn his permanent cutterman qualification, which requires five years of Coast Guard sea service. The crew of the Seattle-based Polar Star is on its way 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.