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Surface Vessel Weapon System
Mk-46 30mm gun weapon system (GWS)
 
 
mk-46 gun weapon system gws san antonio freedom independence class

  
The Mk-46 gun weapon system (GWS) is a Naval derivative of the 30mm gun turret originally designed for the USMC Expeditionary Fighting Vehicle. The Mk-46 GWS is a remotely operated naval gun system that uses a 30mm high velocity cannon, a forward looking infrared sensor, a low light television camera, and a laser rangefinder for shipboard self defense against small, high speed surface targets. The gun can be operated locally at the gun turret or remotely at the Remote Operating Console in the Combat Information Center (San Antonio class LPD) / Mission Control Center (Freedom + Independence class LCS).


The requirements documents for the LPD-17 and LCS ship programs included the need for weapons systems capable of defeating small, fast, highly maneuverable surface craft. The Mk-46 GWS was selected to provide these ships a capability against small surface craft. The Mk-46 GWS is permanently installed aboard LPD 17 class ships. It is part of the Surface Warfare (SuW) mission module for LCS class ships.


The Mk-46 Mod.2 GWS incorporates new open architecture, fault isolation software and an embedded trainer. The US Navy is installing the system aboard LPD-17 class ships during construction. The US Navy designed and developed the SuW mission module for LCS class ships. Two SuW mission modules (each including one Mk-46 Mod.2 GWS) will be installed on each LCS class ship.


General Characteristics:
Primary Function: Shipboard self defense against small, high-speed surface craft.
Designer/Manufacturer: Alliant Techsystems Inc., Arlington, Virginia, USA
Range: 2,200 yards (2000 meters) - max effective range for full caliber ammunition.
Effective range can be extended with sub-caliber munitions.
Rate of Fire: 200 rounds/minute.
Modes of fire: single round, five-round burst, or fully automatic.
Gun may be fired locally at the gun mount or remotely from the Combat Information Center / MIssion Control Center.
Magazine Capacity: 400 rounds (dual feed, 200 per side).
Caliber: 30mm (1.18 inch)
Shell: 30x173mm
Guidance System: A forward-looking infrared sensor, a low-light television camera, and a laser range finder provides inputs to a closed loop tracking system.

The Mk-46 GWS includes the Mk-44 Mod.2 30mm Bushmaster II cannon, a single barrel, open bolt, dual feed, electrically powered, chain driven automatic cannon.

Used on:
San Antonio class LPD
Freedom class LCS
Independence class LCS
  

images


mk-46 gun 30mm san antonio class lpd
Mk-46 30mm gun weapon system aboard USS Mesa Verde (LPD 19)


Mk-46 30mm gun weapon system aboard a San Antonio class LPD


Mk-46 30mm gun weapon system aboard a San Antonio class LPD

mk-46 gun weapon system gws 30mm
Mk-46 30mm gun weapon system aboard USS New York (LPD 21)


Mk-46 30mm gun weapon system aboard USS New York (LPD 21)


Mk-46 30mm gun weapon system aboard USS New York (LPD 21)


Mk-46 30mm gun weapon system aboard USS New Orleans (LPD 18)


Mk-46 30mm gun weapon system aboard a San Antonio class LPD

mk-46 30mm gun freedom class littoral combat ship lcs
Mk-46 30mm gun weapon systems aboard USS Freedom (LCS 1)


Mk-46 30mm gun weapon systems aboard USS Freedom (LCS 1)


Mk-46 30mm gun weapon systems aboard USS Freedom (LCS 1)


Mk-46 Mod.1 30mm gun weapon system was mounted aboard USS San Antonio (LPD 17)

mk-46 gun 30mm ammunition types

 
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