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

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

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 5-inch naval gun systems and ancillary equipment. Above: The Mk 45 is the lightest, most compact five inch (127mm) fully ...

US Navy It also has the MK-45 5-inch/.54-caliber lightweight gun, which is designed to hit surface and air targets and provide naval surface-fire support for expeditionary operations. See the MK ...

and Gunner’s Mate Seaman Daniel Martin, from Cedar Rapids, Iowa, move ammunition from a MK 45 5-inch gun aboard the USS Princeton (CG 59), on Jan. 6, 2025, while sailing South China Sea. (Photo ...

The first rendering of DDG(X), unveiled at the 2022 SNA symposium, featured a 5-inch Mark 45 Mod 4 on the bow of the ship, but there are signs that the Navy has been rethinking that configuration.

The destroyer Rafael Peralta fires its Mark 45 5-inch light-weight gun during a live-fire exercise while operating in the Philippine Sea in January 2023. (MC1 Greg Johnson/U.S. Navy) ...

Above: The Mk 45 is the lightest, most compact five inch ... On 30th September, BAE Systems received a $23.5 million modification to a $47 million contract awarded at the end of July, bringing ...