Project 75 I-class submarine

  • It is follow-on of the Project 75 Kalvari-class submarine for the Indian navy.
  • Under this project, the Indian Navy intends to acquire 6 diesel-electric submarines, which will also feature advanced Air Independent Propulsion (AIP) systems to enable them to stay submerged for longer duration and substantially increase their operational range.
  • All six submarines are expected to be constructed in Indian shipyards.
  • The project envisages indigenous construction of submarines equipped with
    • Contemporary equipment,
    • Weapons and sensors including fuel-cell based AIP [Air Independent Propulsion system]
    • Advanced torpedoes
    • Modern missiles and state-of-the-art countermeasure systems.
  • Project 75(I) will be the first project to be implemented under the strategic partnership (SP) model that allows domestic firms to collaborate with foreign OEM (Original Equipment Manufacturer) to produce high-end military platforms in India.

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