U.S. Coast Guard Petty Officer 1st Class Trevor Davenport, a machinery technician, works on installing a spare water cooler on the Coast Guard Cutter Polar Star (WAGB 10) in McMurdo Sound, Antarctica, Jan. 12, 2024. Polar Star is en route to Antarctica in support of Operation Deep Freeze, a joint service, inter-agency support operation for the National Science Foundation, which manages the United States Antarctic Program. (U.S. Coast Guard photo by Petty Officer 2nd Class Ryan Graves)