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INS Aridaman
India inducts INS Aridaman, completing a fleet of three operational nuclear-powered ballistic missile submarines. The development strengthens India’s sea-based nuclear deterrence and second-strike capability.
INS Aridaman:
| Dimension | Key Details |
|---|---|
| Type | Is a nuclear-powered ballistic missile submarine. |
| Role | Provides for strategic deterrence and assured second-strike capability. |
| Nuclear Triad | Is part of the sea-based leg of India’s nuclear triad. |
| Displacement | Provides for displacement of about 7000 tonnes. |
| Launch System | Provides for 8 vertical launch tubes for ballistic missiles. |
| Missile Capability | Comprises K-15 SLBM with 750 km range and K-4 SLBM with 3500 km range. |
| Reactor | Provides for advanced nuclear reactor enabling longer submerged endurance. |
| Indigenisation | Provides for about 90% indigenous development with support from DRDO and collaboration with Russia. |
| Key Features | Comprises long submerged endurance, stealth due to nuclear propulsion, and higher missile carrying capacity. |
| Operational Roles | Provides for nuclear deterrence, maritime security, and strengthening presence in the Indian Ocean Region. |
| Comparison with Other SSBNs | Comprises INS Arihant commissioned in 2016, INS Arighaat commissioned in 2024, and INS Aridaman inducted in 2026 with higher missile capacity. |
| Future Development | Provides for construction of a fourth SSBN with larger size and higher missile capacity. |
| Related Project | Provides for Project-75I involving development of 6 AIP-equipped conventional submarines. |