The Mk 45 mod 4 uses a modified flat-panel gun turret, designed to reduce its radar signature. In sustained firing operations (Mode III), the gun is operated by a six-person crew: a gun captain, …

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 …

The Mk 45 Mod 4 is BAE Systems’ newest 5-inch (127-mm) 62-caliber gun mount in U.S. Navy service today. The enhanced gun system is ready to significantly improve surface combatant's …

Feb 4, 2025 · The Mk 45 Mod 4 configuration upgrade includes a 62-caliber barrel and a mechanically strengthened gun mount. Moreover, the enhancements will also feature a fully …

Jan 28, 2025 · The upgrade to the Mk 45 Mod 4 configuration includes a 62-caliber barrel and a mechanically strengthened gun mount. It also features a fully digital control system that easily …

Sep 20, 2021 · The MK 45 MOD 4 gun mount upgrade includes a longer barrel (62 caliber) that improves the gun's effectiveness as a land attack weapon (naval surface fire support). The …

5"/62 (12.7 cm) Mark 45 Mod 4 on USS Winston Churchill DDG-81. This latest version of the Mark 45 gun mount was designed to be used with the Extended Range Guided Munition (Mark 171 …

Originally designed for the land attack mission, Mk 45 Mod 4 major upgrades include a 62-caliber barrel, strengthened gun and mount subsystems, advanced control system enhancement, and …

Jul 24, 2019 · BAE Systems has secured a $70m contract from the US Navy to upgrade five additional Mk45 naval gun systems. The contract involves the modernisation of the existing …

Jan 29, 2025 · The U.S. Navy has awarded BAE Systems over $70 million to upgrade Mk 45 5-inch naval gun systems and ancillary equipment.