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The Indian Navy’s ambitious program for the development of a Shore Based Guided Rocket (SB-GR) System is on the verge of receiving “Approval in principle (AIP)” from the Collegiate Committee of the Ministry of Defence (MoD). The project has reached a critical juncture, with the feasibility study set to be submitted in the coming months.

The Shore-Based Guided Rocket (SB-GR) System, designated as the R Battery, encompasses a comprehensive array of components, including the Launcher Vehicle, Command Post, Loading Vehicle, and Replenishment Vehicle. The core of the system comprises SB-GR rockets equipped with advanced features such as a Guidance System, Warhead, Fuses, and Propulsion System. This innovative system is envisioned as an anti-submarine weapon, with multiple rocket launchers encased in a pod arrangement.

Key Parameters of the SB-GR System:
(i) Range: Up to 150 km
(ii) Length of Rocket: Not greater than 5.5 m
(iii) Caliber: 0.2 to 0.3 m
(iv) Pod Configuration: Not more than (L X W X H: 5.5 X 1.1 X 1.2 m)
(v) Pod Weight: Not more than 2800 kg
(vi) Number of Rockets/Pod: 4
(vii) Number of Pods/Vehicle: Not less than 02 (not less than 12 rockets)
(viii) Propellant: Solid Composite/other Equivalent
(ix) Launcher: Compatible with multiple launchers
(x) Guidance: Aerial and/or underwater Guidance; Capable of attacking underwater targets over 360° coverage at designed ranges.

The SB-GR rocket is designed to operate in the supersonic range, ensuring rapid response times. It mandates that the rocket carrier maintains a minimum speed of Mach 3 to minimize latency when attacking targets. The system is equipped with an ASB class (PBHE or equivalent) warhead capable of omnidirectional blasts for neutralizing enemy submarines. Furthermore, the SB-GR rocket is engineered for an extended shelf life of at least 15 years.

Crucially, the system’s reliability is underscored by its capability to release rockets with a 90% success rate at probable target locations within ranges of 40 nautical miles (Nm), all while maintaining a Circular Error Probable (CEP) of ? 40 meters. The targeting data, which is not limited to external inputs, plays a pivotal role in achieving this high level of accuracy.

The SB-GR System represents a significant leap forward in the Indian Navy’s anti-submarine capabilities. Once it receives the “Approval Principle,” it will pave the way for further development and deployment, enhancing the nation’s maritime security posture in coastal regions and beyond.

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