India is in the final stages of commissioning INS Aridhaman, its third indigenously developed nuclear-powered ballistic missile submarine (SSBN). The submarine is undergoing final sea trials, and the Indian Navy has announced that formal induction will take place soon—marking a major leap in securing India’s maritime nuclear strike capability.
Expansion of India’s SSBN Fleet
INS Aridhaman will join INS Arihant and INS Arighaat as part of the Strategic Forces Command—for the first time giving India a three-submarine SSBN fleet. This significantly enhances operational availability, ensuring that at least one submarine remains on patrol at all times.
This step strengthens India’s nuclear triad—air, land and sea-based delivery systems—improving the credibility of its No First Use (NFU) policy and second-strike capability.
Enhanced Missile Capability and Endurance
Aridhaman includes several improvements over earlier submarines:
✔ Larger size and better stealth characteristics
✔ Ability to carry more long-range nuclear missiles
✔ Higher endurance for extended sea patrols
✔ Improved reactor performance and survivability
The submarine is equipped to launch K-series submarine-launched ballistic missiles (SLBMs) capable of striking deep into enemy territory.
A fourth SSBN is already under construction, as part of India’s long-term strategic plan.
Exam-Oriented Facts
- INS Aridhaman is India’s third nuclear-powered ballistic missile submarine (SSBN).
- It joins INS Arihant and INS Arighaat under the Strategic Forces Command.
- Enhances India’s sea-based nuclear second-strike capability.
- Capable of deploying long-range K-series SLBMs.
- A fourth SSBN is in the pipeline to further expand deterrence.
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