Salient points of INS Arihant nuclear sub

Salient points about INS Arihant, India's first indigenous nuclear submarine, and the reactor on board that went critical Saturday, paving way for deploying the vessel after sea trials.

# The miniature nuclear reactor on INS Arihant went critical at around 2.30 a.m. as the submarine went out to sea trials

# Once INS Arihant is inducted, India will join the US, Britain, France, and China by having such technology and prowess

# The 83 MW pressurized light-water reactor was made critical after several "checking and re-checking" of thousands of systems

# The 6,000-tonne submarine is built at the ship-building centre at Visakhapatnam

#During sea trials, various systems on board Arihant will undergo vigorous checks, including firing of its 750-km range K-15 ballistic missiles.

# Sea trials will take at least another 20 months before INS Arihant can become fully operational.

# The 82.5 MW nuclear reactor has been designed at Kalpakkam by PRP Centre - PRP originally stood for Plutonium Reprocessing Project - under the BARC.

# In case of nuclear attack, the submarine will provide second-strike capability.

# INS Arihant is jointly being developed by the Navy, BARC and the Defence Research and Development Organisation (DRDO) at the Visakhapatnam naval dockyard.

#Being nuclear-powered, the submarine will not have to surface for two months to breath, like conventional vessels have to.

# The project, earlier known as the advanced technology vessel (ATV), has been under development since 1998.

#The submarine reactor was developed from a land-based prototype located in Kalpakkam, around 70km from here.

--IANS (Posted on 10-08-2013)

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