3rd Nuclear-Powered Submarine ‘INS Aridaman’ Inducted | Current Affairs | Vision IAS

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22 May 2026
6 min

Part of India's Arihant-class submarines, INS Aridaman is a more advanced ballistic missile submarine (SSBN)than its predecessors INS Arihant (2016) and INS Arighaat (2024).

About India’s Nuclear Powered Submarine Programme

  •  The Advanced Technology Vessel (ATV) programme was initiated more than three decades ago, involving both private firms and the Defence Research & Development Organisation, with help from Russia.
types of nuclear power submarine
  • It primarily focused on developing the ballistic missile submarines (SSBNs), which are nuclear propelled, and can carry multiple sets of submarine-launched ballistic missiles (SLBMs), tipped with single or multiple nuclear warheads. 

Significance of Nuclear Powered Submarines for India

  • Nuclear Triad Completion: The submarine cements India's position in the select group of nations (alongside the US, Russia, China, and France) capable of launching nuclear weapons from land, air, and sea.
  • Strategic Deterrence: Carries nuclear ballistic missiles, strengthening India’s deterrence against regional adversaries China and Pakistan.
  • Stealth & Endurance: Nuclear propulsion allows long underwater missions, making it highly survivable and hard to detect.
  • Extension of Nuclear doctrine: Showcases guarantee of India's second-strike capability with No-first Use policy.

Indian Navy received key Naval warships, a milestone for indigenous defence manufacturing.

Key Naval Warships Received

  • Malwan: The second Anti-Submarine Warfare Shallow Water Craft (ASW SWC), indigenously designed and constructed by Cochin Shipyard Limited at Kochi. 
    • Named after the historic coastal town of Malwan, reflecting the rich maritime legacy associated with Chhatrapati Shivaji Maharaj.
    • Capabilities: underwater surveillance and anti-submarine and mine warfare.
  • Three frontline Naval platforms built by Garden Reach Shipbuilders & Engineers Ltd. (GRSE), Kolkata:
    • Indigenous Stealth Frigate Dunagiri: Fifth ship of Nilgiri Class (Project 17A), it is capable of striking designated targets with missiles. 
    • Fourth Survey Vessel (Large) Sanshodhak: Carry outcoastal and deep-water Hydrographic surveys 
    • ‘Agray’: The fourth of eight ASW SWC, designed to destroy enemy submarines. 

Defence Ministry has signed contracts for procurement of Tunguska Air Defence Missile System

About Tunguska Air Defence Missile System

  • Also Known by its NATO designation SA-19 “Grison” 
  • Origin: It is a Soviet-origin, tracked, self-propelled air defence system designed to protect ground forces from low-flying aerial threats. 
  • Feature: It integrates surface-to-air missiles with twin 30 mm autocannons, allowing it to engage targets across varying ranges and altitudes. 
  • Range
    • Detection: up to 18 km away 
    • Target: Can engage targets at ranges of up to 8–10 km and altitudes of up to 3,500 metres. 
  • Significance: Hybrid design makes it effective against helicopters, drones and cruise missiles.

Indian Air Force (IAF) is preparing to induct unmanned stealth fighters under the Remotely Piloted Strike Aircraft (RPSA) programme.

About RPSA Programme

  • RPSA aims to develop Unmanned Combat Aerial Vehicles (UCAVs), known as Ghatak UCAVs. 
    • UCAVs usually carries aircraft ordinances such as missiles and/or bombs and is used for drone strikes and other military operations.
  • Ghatak is a stealth-capable UCAV, based on a flying-wing configuration. 
  • Once operational, Ghatak could undertake deep-strike missions, penetrating heavily defended airspace to hit high-value targets without placing pilots at risk.

The Indian Navy hosted IONS Maritime Exercise (IMEX) Table Top Exercise (TTX) 2026 in Kochi.

About IONS (Indian Ocean Naval Symposium)

  • IONS is a voluntary initiative that seeks to increase maritime co-operation among navies of the littoral states of the Indian Ocean Region.
  • Chairmanship: Chair of IONS is rotated every two years amongst members with consensus on selection of Chair. 
    • India has assumed the Chairmanship of IONS in 2026.
  • Members: A nation state with permanently held territory that abuts or lies within the Indian Ocean can become a member. 
    • Presently, it has 25 members including India. 
  • Exercise Cyclone-IV: Bilateral India–Egypt joint Special Forces military exercise.
  • Exercise Dustlik: Annual India-Uzbekistan joint military exercise.
    • Conducted alternatively in India and Uzbekistan.

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RELATED TERMS

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No-first Use policy

A declaration and policy by a nuclear-weapon state that it will not be the first to use nuclear weapons in a conflict. India adheres to this policy, emphasizing its defensive posture.

Second-strike capability

The ability of a nuclear power to respond to a nuclear attack by retaliating with its own nuclear weapons, even after suffering a first strike. This is a key element of strategic deterrence.

Strategic Deterrence

The capability of a nation to prevent an attack by maintaining a credible threat of retaliation. In the context of nuclear weapons, it aims to dissuade adversaries from launching a first strike.

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