India Successfully Tests K-4 Nuclear-Capable Missile from Submarine India has successfully test-fired its indigenous K-4 submarine-launched ballistic missile (SLBM) from a submerged nuclear-powered ballistic missile submarine (SSBN) in the Bay of Bengal, off the Visakhapatnam coast. Developed by DRDO, the K-4 missile has an estimated range of around 3,500 km, significantly strengthening India’s sea-based nuclear deterrence. The test was carried out from INS Arighaat, India’s second operational S

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