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INS Aridhaman: India's Third Nuclear Submarine SSBN Commissioning Soon

Posted By: Hemant Kumar Posted On: Dec 02, 2025Share Article
India's Third Nuclear Submarine SSBN Commissioning Soon
INS Aridhaman commissioning. (PHOTO: X/@idrwalerts)

INS Aridhaman: India's Third Nuclear Submarine SSBN Commissioning Soon To Complete Sea-Based Nuclear Triad

India's third indigenous nuclear submarine, INS Aridhaman, is set for commissioning, strengthening the Nuclear Triad and sea-based deterrence against regional rivals.

INS Arighaat: According to Navy Chief Admiral Dinesh Tripathi, India is fast proceeding to induct its third indigenous nuclear-powered ballistic missile submarine (SSBN), INS Aridhaman. This development comes after the second SSBN, INS Arighaat, was formally commissioned in August this year at Visakhapatnam as part of a crucial milestone in strengthening the sea-based nuclear deterrence capability of the country.

Once INS Aridhaman formally joins the fleet, India will have reached a significant strategic milestone: three operational ballistic missile submarines at sea for the first time, greatly strengthening the nation's nuclear triad.

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INS Aridhaman is part of India's under-wraps Advanced Technology Vessel (ATV) project, initiated in the 1990s at an outlay of over ₹90,000 crore. Advanced sea trials are currently underway on the vessel, which is bigger and advanced when compared to its predecessors.

Increased Missile Carrying Capability: INS Aridhaman, being larger (with an estimated 7,000 tonnes displacement), will carry more long-range K-4 nuclear-tipped missiles compared to the first two vessels, INS Arihant and INS Arighaat.

Deterrence and Survivability: The increased payload widens India's strike capability and enhances the survivability of the deterrent force, both crucial pillars of India's official "No First Use" nuclear doctrine.

Future Expansion: A fourth SSBN currently under construction would expand India's nuclear deterrent envelope further in the coming years.

Although the commissioning of INS Aridhaman is a huge technological and strategic stride in helping India become self-reliant in defense, its SSBN fleet still remains smaller compared to the major nuclear-armed navies:

China: fields at least six larger Jin-class SSBNs fitted with long-range JL-3 missiles (10,000 km range) and six nuclear attack submarines (SSNs).

United States: Operates a fleet of 14 Ohio-class SSBNs and 53 nuclear attack submarines. The continuous induction of such advanced, indigenous platforms as INS Aridhaman underlines India's commitment to achieving a credible minimum nuclear deterrent necessary for strategic stability in the volatile Indo-Pacific.

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In a year that belonged to the commodity market, gold prices have shone the brightest in 46 years, recording a whopping 73% surge amid a host of tailwinds from
Latest News
Gold prices surge 73% YTD

In a year that belonged to the commodity market, gold prices have shone the brightest in 46 years, recording a whopping 73% surge amid a host of tailwinds from geopolitical uncertainty, easing interest rate environment and Trump tariff tantrum. On the MCX

2 months ago


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