Petty Officer 3rd Class Steven Calcaterra, an information systems technician aboard the U.S. Coast Guard Cutter Polar Star (WAGB 10), is pinned with a Coast Guard Achievement Medal by Capt. Jeffery Rasnake, Polar Star’s commanding officer, while the cutter transits McMurdo Sound during Operation Deep Freeze, Jan. 23, 2025. Polar Star is conducting ice-breaking operations in 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 Briana Carter)