The MK-75 gun barrel cools down after a gunnery exercise on the USCGC Mohawk (WMEC 913) while underway in the Atlantic Ocean, Sept. 10, 2022. The MK-75 gun is a single barrel, water-cooled, rapid-fire, remote controlled gun mount. (U.S. Coast Guard photo by Petty Officer 3rd Class Jessica Fontenette)