Defence Minister Rajnath Singh presided implicit a little ceremonial to formally committee the country’s 3rd atomic submarine, INS Aridhaman (S4), which is the 3rd successful the Arihant-class of SSBNs (Submersible Ship Ballistic Nuclear), connected Friday (April 3) astatine Visakhapatnam.
The boat, being portion of the strategical weapons programme, falls nether the domain of the Strategic Forces and is portion of the country’s atomic triad. As per sources successful the Navy, the commissioning was not made nationalist and was carried retired quietly, but Mr. Singh dropped capable hints to admit the commissioning of the vessel.

While the lawsuit was kept nether wraps, Defence Minister Rajnath Singh, taking to societal media, posted a cryptic connection connected ‘X’, describing the submarine as: “It’s not words but power, ‘Aridhaman’!”
Sources successful the Navy said that the commissioning of INS Aridhaman was connected the cards, arsenic the submarine had already undergone extended oversea trials, and it coincided with Mr. Singh’s sojourn to Visakhapatnam for the commissioning of the stealth guided-missile frigate INS Taragiri connected April 3.
The intimately guarded SSBN project, initially launched arsenic the Advanced Technology Vessel (ATV) project, is being executed by the Ship Building Centre (SBC) successful Visakhapatnam. The archetypal vessel was launched successful July 2009 and was softly commissioned successful 2016. The 2nd indigenously built SSBN, INS Arighaat, was commissioned successful August 2024.
While Arihant and Arighaat are smaller vessels of astir 6,000 tonnes, Aridhaman (S4) and S4* are bigger boats of astir 7,000 tonnes. The S4* (which whitethorn beryllium named Arisudan) is presently undergoing oversea trials.
It whitethorn beryllium recalled that Navy Chief Admiral Dinesh Tripathi, successful past December, had said that INS Aridhaman was successful the last stages of trials and would beryllium commissioned soon.
Compared to its predecessors, Aridhaman and its successor S4* volition person much firepower and tin transportation up to 24 K-15 Sagarika missiles, 8 K-4 missiles, oregon K-5 missiles, which tin beryllium nuclear-tipped.
Arihant and Arighaat tin transportation astir 12 K-15 Sagarika missiles oregon 4 K-4 missiles.
The K-4 missiles person a scope of astir 3,500 km and are developed arsenic nuclear-capable submarine-launched ballistic missiles (SLBMs).
India is already 1 of the nations, on with the U.S., Russia, China, and France, to person a atomic triad capability, which means it has the quality to motorboat nuclear-tipped missiles from air, land, and sea.
Apart from SSBNs, India is besides readying to indigenously physique a fewer SSNs (nuclear-powered onslaught submarines), of which astatine slightest 2 are expected to beryllium commissioned by 2036–39.

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