Mon. Mar 23rd, 2026
  • India successfully tested K-4 submarine-launched nuclear missile from INS Arighaat.
  • It has a strike range of 3,500 km. The test was conducted in the Bay of Bengal off Visakhapatnam.
  • The K-4 missile, which is solid-fuelled, was launched from the 6,000-tonne submarine.
  • The first test of the missile was conducted by INS Arighaat, which was put into service on August 29.
  • The K-4 missile had previously only been tested from submerged pontoons.
  • The second nuclear-powered submarine in India’s fleet is INS Arighaat.
  • The submarine can carry nuclear-tipped ballistic missiles, or SSBNs as they are known in the navy.
  • The INS Arihant, India’s first SSBN, is equipped with 750-kilometer-range K-15 missiles.
  • The more sophisticated K-4 missiles have a 3,500-kilometer striking range and can be carried by INS Arighaat.
  • The nation is getting ready to welcome INS Aridhaman, its third SSBN, into the fleet in early 2025.
  • India’s sea-based nuclear deterrence would be further reinforced by the 7,000-ton INS Aridhaman.

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