Sun. Feb 1st, 2026
  • Indian Navy commissioned its second nuclear submarine, INS Arighat or S-3, at Visakhapatnam on 29th August.
  • INS Arighat is an upgraded version of India’s first SSBN (Ship, submarine, Ballistic, Nuclear) INS Arihant.
  • INS Arighat is the second boat of the Arihant class indigenous nuclear submarines.
  • The commissioning of Arighat is a significant advancement in India’s naval capabilities, especially in strategic nuclear deterrence.
  • INS Arighat will embark on a long-range patrol of the Indo-Pacific armed with 750-km range nuclear ballistic missiles K-15.
  • INS Arighat can achieve a maximum speed of 12–15 knots (22–28 km/h) on the surface and up to 24 knots (44 km/h) when submerged.
  • It is part of a four-SSBN project, with two other are also under construction.
  • INS Arighat has been under construction and testing since its launch in 2017 at Visakhapatnam’s Ship Building Centre (SBC).

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