The US Navy has contracted BAE Systems to upgrade Mk 45 5-inch naval gun systems, including the overhaul of existing systems, ...

The gun was first deployed in 1971 as the Mk 45 Mod 0, and has been updated in the more than five decades since. With the final retirement of the United States Navy’s Iowa-class battleships in ...

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