Advanced firepower will continue to play a critical role at sea as Sailors face advanced threats ...

RECODE initiative is designed to ensure the fleet remains combat-ready in the face of new military challenges.

The gun was first deployed in 1971 as the Mk 45 Mod 0, and has been updated in the more than five decades since.

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, ...

The US Navy has awarded BAE Systems over $70 million to upgrade Mk 45 five inch naval gun systems and ancillary equipment.