U.S. Coast Guard Petty Officer 1st Class Matthew Toye, 31, of Honolulu, troubleshoots a broken speaker Dec. 30, 2019, aboard the Coast Guard Cutter Polar Star (WAGB-10) about 800 miles north of McMurdo Station, Antarctica. Toye is one of 159 crew members about the Polar Star participating in Operation Deep Freeze – the U.S. military’s contribution to the U.S. Antarctic Program, which is managed by the National Science Foundation. U.S. Coast Guard photograph by Senior Chief Petty Officer NyxoLyno Cangemi