There are 4 images added between 8 December 2006 and 28 July 2016
Mk 45 mod 4  
Initial Operational Capability (IOC): 2001
Total Production: ?
Unitary Cost: USD$22 million
Origin: United States of America
Corporations: United Defense
Parent System: Mk 45
Initial Operational Capability (IOC): 1971
Total Production: 240
Family Members: Mk 45
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Description: The Mk 45 Mod 4 is a 127mm/5-inch 62 calibers naval gun in service in US Navy destroyers providing surface fire support. It is the latest Mk 45 gun development and provides littoral warfare fire support through the ERGM family of munitions. The Mk 45 Mod 4 provides a range in excess of 21 nautical miles with current non-assisted ammunition. When the new EX171 ERGM munitions would be available the maximum range of the Mk 45 Mod 4 naval guns will be extended to 60 nautical miles.

The Mk 45 mod 4 includes a 62 calibers barrel, strengthened gun chamber, lengthened recoil stroke and an interactive touch-screen control system. The Mod 4 also includes a reduced radar signature and full compatibility for the ERGM family of munitions. The DDG-81 USS Churchill has been the first US Navy ship to be equipped with the Mk 45 mod 4 naval gun. The US Navy plans to retrofit the mod 4 gun standard to existing surface combatants.

Mk 45 mod 4 Applications


Cannons & Gear MIFS Fighting Ships DDG 51 Flight IIA DEX F370 FFX FFX II Hobart KDX-II KDX-III

Mk 45 mod 4 Specifications

Caliber Multiple: 62
Magazine Capacity: 500
Dimensions
Main Gun Caliber: 127 millimeter
Performance
Main Gun Max Range: 111 kilometer (60 nautical mile)
Rates
Max Rate of Fire: 20 roundperminute
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Mk 45 mod 4 News

There are 9 news between
30 Sep 2008 and 28 Jun 2017
Wednesday, June 28, 2017BAE Systems and Leonardo to Cooperate on Artillery Precision Guided Munitions
Tuesday, September 27, 2016US Navy to Upgrade Five Mk 45 Naval Guns to Mod 4 Standard
Thursday, July 28, 2016BAE Systems Awarded Contract for UK Type 26 Gun System
UK MoD Awards Contract for new Gun System on Type 26 Global Combat Ship
Wednesday, August 12, 2015BAE Systems to Upgrade Six US Navy's Mk 45 Naval Guns to Mod 4 Capability
Wednesday, June 26, 2013Multi-Service Standard Guided Projectile Successfully Completes Guided Flight Test
Wednesday, September 28, 2011BAE Systems Receives Orders to Deliver Seven Mk 45 Gun System Upgrades to the US Navy
Friday, February 13, 2009Upgraded Bunker Hill Completes Sea Trials under Cruiser Modernization Program
Tuesday, September 30, 2008Mk 45 Mod 4 Naval Gun to Equip Hobart-class Air Warfare Destroyers

Operators & Related Equipment


OperatorsItems
Australia3
Ordered in 2008 to equip three Hobart Air Warfare Destroyers

Grand Total 33
Defensive Weapons
EX 171
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