Top 10 Most Advanced Nuclear Submarines: The 8th One Has a Shocking Diving Depth

6. ## INS Arihant Class

 

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The outstanding Arihant Class came from India's own nuclear submarine program. These boats have unusual hull shape best for use in coastal and deep ocean environments. Using enriched uranium fuel, the sophisticated nuclear reactor of the submarine offers remarkable power generating and durability. For greatest operational efficiency, its combat system combines indigenous and foreign technologies.