The company will extend the barrel of the Mk 45, strengthen the gun mounts and incorporate a fully digital control system.

The US Navy has contracted BAE Systems to upgrade Mk 45 5-inch naval gun systems, including the overhaul of existing systems, to the Mk 45 Mod 4 configuration. This modification, worth $23.5m, ...

American missiles were used to engage most of the enemy targets, but the destroyer was forced to employ the five-inch gun ...

The Mk 45 was designed as a replacement for the Mk 42 five-inch/54 caliber gun mount that was introduced in the early stages of the Cold War as a dual-purpose air/surface platform. According to ...

Those actions last November serve as a reminder that the five-inch fully automatic gun mount can be employed in ... t be accurate to suggest the Mk 45 five-inch gun was a weapon of last resort ...