U.S. Coast Guard Chief Petty Officer John Mijares, a damage controlman, looks at a leak in the shaft seal on the Coast Guard Cutter Polar Star (WAGB 10) in the McMurdo Sound, Antarctica, Jan. 27, 2024. The 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)