India’s first nuclear submarine INS Arihant passes deep sea tests

India’s first indigenously built nuclear armed submarine INS Arihant has successfully passed several deep sea diving drills as well as weapons launch tests.

These successful tests undertaken off Vishakhapatnam coast where the submarine was build.

These tests makes it ready for formal induction into the Naval Fleet.

About INS Arihant

INS Arihant’s design is based on the Russian Akula-1 class submarine.

It is a 6,000-tonne nuclear powered submarine and is 112 metre long. Powered by 83 MW pressurised light water reactor built with Russia’s help.

This reactor generates tremendous heat, driving a steam turbine.

Capable of launching twelve short range nuclear-capable ballistic missile BO-5 (K 15) which has a range of 700 kms and four K 4 ballistic missile with a range of 3,500 km.

Presently, Indian Navy operates the INS Chakra, a nuclear-powered submarine which is leased for 10 years from Russia in 2012.

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