The Mk 45 Mod 4 upgrade will incorporate a longer 62-calibre barrel and reinforced gun mount, alongside a fully digital control system that seamlessly integrates with existing targeting and fire ...
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 ...
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) The U.S. Navy ...