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 the ...
BAE Systems (Booth 613) is developing a hypervelocity projectile, or HVP, for the U.S. Navy’s Mark 45 5-inch gun as a counter-unmanned aerial system option to engage aerial targets. The Mk45 is the ...