India’s fourth Arihant-class SSBN, INS Arisudan nuclear-powered ballistic missile submarine, launched in October 2024, is undergoing advanced sea trials and is expected to complete them by the end of 2026, paving the way for commissioning around 2027.This milestone will complete the first production series of India’s indigenous nuclear-powered ballistic missile submarine fleet, strengthening its
India’s Fourth Arihant-Class Nuclear Powered SSBN INS Arisudan To Complete Sea Trials By End-2026
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