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Kalvari-Class Submarine INS Vagir launched

  • IASbaba
  • November 13, 2020
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Kalvari-Class Submarine INS Vagir launched

Part of: GS Prelims and GS-III – Defence & Security

In news

  • Indian Navy’s fifth Kalvari-class Diesel Electric attack submarine INS Vagir was launched at Mazgaon Dock in Mumbai.

Key takeaways 

  • Indian Naval Ship (INS) Vagir is the fifth among the six Kalvari-class submarines.
  • The other vessels in the class are INS Kalvari, INS Khanderi, INS Karanj, INS Vela and INS Vagsheer.
  • Of these Kalvari and Khanderi have been commissioned in 2017 and 2019. 
  • Vela and Karanj are undergoing sea trials. 
  • Vagsheer is under construction.

Technical details

  • The design of Kalvari class of submarines is based on Scorpene class of submarines. 
  • This class of submarines have Diesel Electric transmission systems. 
  • These are primarily attack submarines or ‘hunter-killer’ type which means they are designed to target and sink adversary naval vessels.
  • It can reach the highest speeds of 11 knots when surfaced and 20 knots when submerged.
  • These submarines have the Air Independent Propulsion (AIP) which enables non-nuclear submarines to operate for a long time without access to surface oxygen.

Do you know? 

  • Like Kalvari (which means Tiger Shark), Vagir has been named after a Sand Fish, a predatory marine species. 
  • Khanderi has been named after an Island Fort built by Chhatrapati Shivaji.
  • Karanj has also been named after an Island located South of Mumbai.

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