India Commissions INS Aridhaman Submarine and Taragiri Frigate

Visakhapatnam, India—Defence Minister Rajnath Singh commissioned two advanced naval vessels into the Indian Navy on Friday, April 3, 2026, bolstering the country's maritime and strategic capabilities amid evolving regional security dynamics.

The ceremony at the Naval Dockyard here marked the induction of INS Aridhaman, the third Arihant-class nuclear-powered ballistic missile submarine, and INS Taragiri, the fourth stealth frigate under Project 17A. The events underscore India's push toward self-reliance in defense manufacturing, with both vessels featuring significant indigenous components.

INS Aridhaman, a 7,000-tonne vessel, represents a key advancement in India's sea-based nuclear deterrence. Designed and built indigenously under the Advanced Technology Vessel project, it displaces 1,000 tonnes more than its predecessors, INS Arihant and INS Arighaat, commissioned in 2016 and 2024, respectively. Equipped with eight vertical launch system tubes—double that of earlier models—the submarine can carry up to 24 K-15 Sagarika missiles with a 750-kilometer range or eight longer-range K-4 missiles reaching 3,500 kilometers. Powered by an 83-megawatt pressurized light-water reactor,...