Defence Sector – DPP, Missions, Schemes, Security Forces, etc.

MK 45 gun systemPrelims Only

Note4Students

From UPSC perspective, the following things are important :

Prelims level : MK 45 gun system

Mains level : India-US defence cooperation



  • The US State Department has approved the sale of naval guns and other equipment worth $1 billion to India for use against warships, anti-aircraft and shore bombardment.
  • The sale includes 13 MK 45 5 inch/62 caliber (MOD 4) naval guns and some other equipment that will be manufactured by BAE Systems Land and Armaments.

MK 45 gun system

  • The MK 45 is a fully automatic naval gun system that is installed on ships and provides a Naval Surface Fire Support (NSFS) range of more than 20 nautical miles (36 km) along with improved propelling charge.
  • This system of guns is currently in use by the US Navy on their fleet of Ticonderoga class cruisers and Arleigh Burke class destroyers.
  • MK 45 is an upgraded version with a 62 caliber barrel, strengthened gun and mount subsystems, advanced control system enhancements, greater range and firepower, a reduced signature and low maintenance gun shield.

MK 45 MOD 4 gun

  • It is a light-weight version of the MK 42 5 inch/54 caliber gun mount meant to support expeditionary operations and engage surface and air targets.
  • The MOD 4 configuration gun mount is believed to boost the firing range by over 50 per cent, increasing the speed and range of munitions.
  • The principal contractor of the guns for this deal is Minneapolis-based BAE Systems Land and Armaments with a gun manufacturing unit in Louisville, Kentucky.
  • It is meant for both naval gunfire support and to destroy any hostile anti-ship weapons and air defence systems.
  • Other countries that have been sold the MOD 4 naval guns are Japan, Australia and South Korea.

Benefits

  • The MK 45 Gun System will provide the capability to conduct anti-surface warfare and anti-air defence missions while enhancing interoperability with US and other allied forces.
  • India will use the enhanced capability as a deterrent to regional threats and to strengthen its homeland defence.

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