Crewmembers from the U.S. Coast Guard Cutter Polar Star (WAGB 10) signal to a National Science Foundation helicopter air crew after they deliver parts to the cutter in McMurdo Sound, Jan. 12, 2024. 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 2nd Class Ryan Graves)