
Unleashing Maritime Might: INS Aridhaman, India’s Game-Changing Nuclear-Powered Submarine, Joins the Naval Fleet
In a significant milestone for India’s naval capabilities, Defence Minister Rajnath Singh presided over the commissioning of INS Aridhaman (S4), the country’s third nuclear-powered ballistic missile submarine, on April 3, 2026, in Visakhapatnam. This event marks a crucial addition to India’s Arihant-class of Submersible Ship Ballistic Nuclear submarines, which play a pivotal role in the nation’s strategic deterrent posture.
Although the commissioning ceremony was conducted discreetly, with limited public visibility, Singh hinted at the event via social media, posting: “It’s not words but power, ‘Aridhaman’!” The commissioning follows extensive sea trials for the vessel and coincides with Singh’s visit for the launch of the stealth guided-missile frigate INS Taragiri, underscoring the Indian Navy’s focus on enhancing its operational readiness.
The SSBN project, originally part of the Advanced Technology Vessel (ATV) initiative, has been meticulously executed by the Ship Building Centre in Visakhapatnam. The first submarine of the class was launched in July 2009 and entered service in 2016, while the second, INS Arighaat, was commissioned in August 2024. With a displacement of approximately 7,000 tonnes, INS Aridhaman is significantly larger than its predecessors, INS Arihant and INS Arighaat, which each weigh around 6,000 tonnes.
Navy sources have confirmed that Aridhaman is designed to carry a more formidable arsenal than previous submarines, with the capacity to launch up to 24 K-15 Sagarika missiles or eight K-4 nuclear-capable missiles. The K-4 missiles boast an impressive range of about 3,500 kilometers, enhancing India’s underwater strike capabilities. In comparison, the earlier classes are limited to carrying around twelve K-15 Sagarika missiles or four K-4 missiles.
India’s investment in nuclear-powered submarines places it among an elite group of nations-including the U.S., Russia, China, and France-that possess a credible nuclear triad, which allows the deployment of nuclear weapons from air, land, and sea. This diversification in delivery systems strengthens India’s deterrent strategy significantly.
Looking ahead, the Indian Navy is also advancing plans to develop additional nuclear-powered attack submarines (SSNs). At least two of these submarines are expected to be commissioned between 2036 and 2039, further enhancing India’s naval strength.
With the commissioning of INS Aridhaman, India bolsters its strategic capabilities and continues its commitment to advancing indigenous defense technologies. This development not only reflects India’s growing military prowess but also showcases the nation’s dedication to ensuring maritime security in an increasingly complex regional environment.
Original Source: https://www.thehindu.com/news/national/indias-new-nuclear-powered-submarine-ins-aridhaman-commissioned/article70819744.ece
Category : India
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Publish Date: 2026-04-04 02:16:00

