| Features: 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
Background:This lightweight gun system
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.