India Quietly Launches Its 4th Nuclear-Powered Submarine S4*, Boasts 75% Indigenous Content

India has recently launched its fourth nuclear-powered ballistic missile
submarine (SSBN), codenamed S4, marking a significant advancement in its
maritime defence capabilities. This launch took place on October 16, 2024, at
the Ship Building Centre in Visakhapatnam, following the commissioning of its
second SSBN, INS Arighat, in August 2024. The third SSBN, INS Aridhaman, is
India has recently launched its fourth nuclear-powered ballistic missile
submarine (SSBN), codenamed S4, marking a significant advancement in its
maritime defence capabilities. This launch took place on October 16, 2024, at
the Ship Building Centre in Visakhapatnam, following the commissioning of its
second SSBN, INS Arighat, in August 2024. The third SSBN, INS Aridhaman, is
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