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Mk 45 Mod 4 Naval Gun System

MK 45 Naval Gun

MK 45 Naval Gun

BAE Systems’ Mk45 Mod 4

 

The 5-inch (127-mm) 62-caliber Mk 45 Mod 4 Naval Gun system is in U.S. Navy service today, and is ready to significantly enhance Naval Surface Fire Support (NSFS) and overall mission performance.

 

Major upgrades of the Mk 45 Mod 4 include a 62-caliber barrel, strengthened gun and mount subsystems, advanced control system enhancement, and a reduced signature, low maintenance gun shield.

The Mk 45 Mod 4 provides NSFS range of more than 20 nautical miles (36 km) with the Navy's new 5-inch Cargo projectile and an improved propelling charge.

Operation and performance of extended-range munitions are tailored for optimal effect and range in unison with the major subsystem upgrades of the Mk 45 Mod 4 Naval Gun.

Starting with DDG 81, Mk 45 Mod 4 is being forward-fit to U.S. Navy DDG 51 Class destroyers. Other Mod 4 applications include installations for the fleets of South Korea, Japan and Denmark. Existing Mk 45 Mod 0-2 mounts can be upgraded to the Mod 4 configuration, which is planned for CG 47 Class ships as part of the Navy's Cruiser Modernization Program.

BAE Systems provides more than 30 years of experience with Mk 45 Mods 0-4, with more than 240 shipboard applications in the U.S. Navy and nine fleets worldwide. Full life-cycle support is keyed to the customer and can be supplemented by the worldwide logistics system supporting the U.S. Navy.

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Platforms & Services has key positions in the land and maritime sectors, designing, developing, producing and supporting platforms, naval weaponry and munitions, as well as protective wear and armor. P&S operates throughout the US, South Africa, and Sweden with markets in more than 12 countries.

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