Fully-automatic, lightweight gun mount.
This lightweight gun system offers significant improvements in reliability and maintainability over the 54-caliber Mk 42 gun systems. The Mk 45 is controlled by either the Mk 86 Gun Fire Control System or the Mk 160 Gun Computing System.
The 54-caliber (Mk 45) lightweight gun provides surface combatants accurate naval gunfire against fast, highly maneuverable surface targets, air threats and shore targets during amphibious operations.
