Petty Officer 3rd Class Mitchell Irwin, a machinery technician in main propulsion division on Coast Guard Cutter Polar Star (WAGB 10), removes a broken jacket water pump in the Southern Ocean, Dec. 27, 2022. Main Propulsion division affected emergency repairs to a main diesel engine after a crucial pump failure in the Southern Ocean. (U.S. Coast Guard photo by Petty Officer 3rd Class Aidan Cooney)