The Mark 12 Gun is a type of naval artillery designed for use on ships. It is a 5-inch caliber gun that can fire various types of ammunition, including high-explosive and guided projectiles. This versatility makes it effective for both surface and air targets. Developed for the United States Navy, the Mark 12 Gun is known for its accuracy and range. It is typically mounted on destroyers and cruisers, providing essential fire support during naval operations. The gun's advanced targeting systems enhance its effectiveness in modern combat scenarios.