A National Science Foundation pilot and Petty Officer 3rd Class Jake Clegg, an electrician’s mate, walk towards a National Science Foundation helicopter in McMurdo Sound, Antarctica, Dec. 28, 2023. The U.S. Coast Guard Cutter Polar Star is enroute to Antarctica in support of Operation Deep Freeze, a joint service, interagency support operation for the National Science Foundation, which manages the United States Antarctic Program. (U.S. Coast Guard photo by Petty Officer 3rd Class Ryan Graves)