Nuclear Icebreaker Reactor – At the Heart of Arihant Class Submarines
Recently, India won a deal to build 4 non-nuclear icebreaker ships estimated to be worth over Rs 6,000 crores for Russia. Russia’s state-owned nuclear energy company ROSATOM will seek “favorable and capable yards” in India to construct the ships to support its Northern Sea Route (NSR) development plan in the face of sanctions imposed by the USA and other countries. This brings to notice the nuclear icebreakers operated by Russia, the only nation to do so in the world. So why are we talking about nuclear icebreakers? It is because of the nuclear reactors in them that have been used in the Arihant class SSBNs of the Indian Navy. Many may not be aware that Russia provided the nuclear reactors of its nuclear icebreakers to be developed into reactors for S1/half-boat, S2/Arihant, S3/Arighaat, S4/Aridhaman, and the supposed S4*. Kindly note USA, the Soviet Union/Russia, China, France, and Britain hold nuclear reactor technology very d