INS Arihant Current Affairs - 2020
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India and Russia have signed an agreement for the leasing of a nuclear-powered attack submarine for the Indian Navy for a period of 10 years.
About the Agreement
- Russia will be delivering the Akula class submarine, to be known as Chakra III, to the Indian Navy by 2025.
- India had earlier leased two nuclear submarines from Russia. They are INS Chakra leased in 1988 under a three-year lease and second INS Chakra was taken on lease in 2012 for a period of 10 years.
- Russia will lease Akula class submarine for the period of 10 years at the cost of USD 3 billion.
- Chakra III will be equipped with Indian communication systems and sensors, including the indigenously-developed USHUS integrated sonar system and Panchendriya sonar.
- Chakra III get a unified submarine sonar and tactical control system, which are already in use on the INS Arihant. The Chakra III will also get a refurbished hull.
- Chakra III weighing around 8,140-ton will have a submerged speed of 30 knots and an operating depth of 530 meters and will be capable of carrying a crew of 73.
- Chakra III will also be loaded with four 650-millimetre and four 533-millimetre launch tubes for firing Type 65 and Type 53 torpedoes. Both of these torpedoes are made in Russia.
- Chakra III will be powered with 190 mW nuclear reactor.
Addition of a nuclear-powered submarine is an attempt to bolster the naval prowess of the country as a counter to attempts being made by China to expand its influence in the Indian Ocean region. India has already commissioned French Scorpene submarine INS Kalvari and is in the process of inducting another French Scorpene submarine INS Khanderi.
Tags: Akula class submarine • French Scorpene submarine • India-Russia • Indian Navy • INS Arihant
India’s first indigenous nuclear submarine INS Arihant has successfully completed its first deterrence patrol. The development signifies that underwater warship has completed its maiden long-range mission with live nuclear-tipped missiles.
During deterrence patrol, a nuclear submarine carries nuclear missiles on board, where command and control protocols for its operations are fully tested by its crew. The term deterrence patrol is meant to deter an adversary from launching a first nuclear-strike since SSBN (Ship Submersible Ballistic Nuclear) can launch retaliatory strike within minutes. With this, India completed its survivable nuclear triad by adding maritime strike capability to land and air-based delivery platforms for nuclear weapons. It makes India sixth country — after US, Russia, UK, France and China — to have fully operational nuclear triad.
INS Arihant is India’s first indigenously-designed, developed and manufactured nuclear-powered ballistic missile submarine, and three more such submarines are reportedly under various stages of construction. It was designed in 1990s and its development project was officially acknowledged in 1998. Its design is based on the Russian Akula-1 class submarine.
It was launched in 2009 and its nuclear reactor went critical in 2013 and it was commissioned in 2016. It is strategic asset developed for over two decades with Russia’s help under Advanced Technology Vessel (ATV) programme, which comes directly under Nuclear Command Authority headed by the Prime Minister.
INS Arihant is 6,000-tonne submarine with length of 110 metres and breadth of 11 metres. It is powered by 83 MW pressurised light water nuclear reactor with enriched uranium fuel. It can carry 12 Sagarika K 15 submarine launched ballistic missiles (SLBMs) having range of over 700 km.
As it powered by nuclear reactor it can function submerged for months without having to surface. This feature allows it to travel further and with greater stealth capability. It assures second strike capability to India i.e. capability to strike back after being hit by nuclear weapons first. In case of India, second strike capability is important as it had committed to ‘No-First-Use’ policy as part of its nuclear doctrine.
Nuclear triad capability of India
India is sixth Nation in the world (after US, Russia, France, China and UK) to possess Nuclear Triad. It means that India is capable of delivering nuclear weapons by aircraft, land based ballistic missiles and submarine launched missiles. India Army has strong arsenal of land based ICBM (intercontinental ballistic missile). It includes Agni series, Prithvi series, Prahar Missile, Shaurya Missile, supersonic Brahmos and subsonic Nirbhay missiles. Indian Airforce (IAF) operates Jaguars aircrafts which are designed for deep penetration strike and can carry nuclear bomb. Besides, IAF also has SU 30 MKI and Rafale aircrafts which can also be used to deliver nuclear weapons. Indian Navy now has its own nuclear powered ballistic missile submarine INS Arihant capable of delivering nuclear weapons.
Tags: Defence • Deterrence Patrol • Indian Navy • INS Arihant • Nuclear Doctrine