India commissions 2nd nuclear-powered ballistic missile submarine INS Arighat into service

DDG-80 said:
Operating in the SCS with a nuclear-powered submarine isn't as straightforward as it might seem. The SCS is relatively shallow compared to the Indian Ocean, making it less ideal for the operations of nuclear-powered submarines.

The SCS has an average depth of about 200 meters, with its deepest point, the China Sea Basin, reaching around 5,000 meters. However, much of the sea is less than 100 meters deep, particularly around the Spratly and Paracel Islands. This shallow depth limits the maneuverability and stealth of nuclear submarines, making them more vulnerable to detection by ASW assets.

On the other hand, the Indian Ocean is almost perfect for SSBN and SSN operations. With an average depth of about 3,900 meters, it provides ample space for submarines to maneuver and remain hidden. Key areas like the Central Indian Basin and the Arabian Sea have depths ranging from 3,000 to over 5,000 meters. The Java Trench reaches a maximum depth of about 7,290 meters. It is located in the northeastern Indian Ocean. These deep waters offer a strategic advantage, allowing India's submarines to operate with greater stealth and security. Plus, the vastness and complexity of the underwater terrain in regions like the Bay of Bengal further enhance their ability to stay undetected.

So, while operating in the South China Sea might seem like a bold statement, it's not always the most practical or strategic move for nuclear-powered subs. The Indian Ocean offers far better conditions for the kind of operations our SSBNs and SSNs are designed for.
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No need of sea with more than 500m of depth, as most subs can't reach more than 300 to 350m (it's a classified data).
Only some russian ones can, if I remember well (ex : Alfa class SSN, with titanium hull).
 
harpy1 said:
Are the missles in the hydrogen bomb range or 100kt or Atomic range 25kt
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A "boosted" bomb of 600Kt is possible.
It was used by Frence deterrence before the developpment of H Bomb.
 
BP2 said:
A "boosted" bomb of 600Kt is possible.
It was used by Frence deterrence before the developpment of H Bomb.
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MR41 was a very remarkable nuke. very high yield for non H-bomb. 500KT for 700 KG weight.

A boosted plutonium based device can deliver 80-100 KT for a 300-400 KG and having 3-4 warheads in a missile is totally possible. That is very much a strategic weapon. If RVs are really accurate, thats a very devastating strike.
 
BP2 said:
No need of sea with more than 500m of depth, as most subs can't reach more than 300 to 350m (it's a classified data).
Only some russian ones can, if I remember well (ex : Alfa class SSN, with titanium hull).
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The need for deep water isn’t just about the maximum depth a submarine can reach but also about the strategic benefits of operating in deep waters. Submarines in deeper waters have more room to maneuver and hide, making them harder to detect with sonar. This is especially important for SSBNs that need to remain undetected as part of their strategic deterrence role. In deeper water, submarines can also take advantage of thermoclines, which can help mask their presence from sonar. In shallower waters, submarines are more vulnerable to detection because they have less space to evade sonar pings, and the sound waves can easily bounce off the seafloor.
 
DDG-80 said:
The need for deep water isn’t just about the maximum depth a submarine can reach but also about the strategic benefits of operating in deep waters. Submarines in deeper waters have more room to maneuver and hide, making them harder to detect with sonar. This is especially important for SSBNs that need to remain undetected as part of their strategic deterrence role. In deeper water, submarines can also take advantage of thermoclines, which can help mask their presence from sonar. In shallower waters, submarines are more vulnerable to detection because they have less space to evade sonar pings, and the sound waves can easily bounce off the seafloor.
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Except the fact that a deeper sea help to dilute the sound and the ping of sonar, once you sub reach its max depth, it is useless to have 100 or 1000m below your keel in king of agility.
 
Pingle said:
It will be great to see if K15 incentives retired Brahmos cruise missiles could be added in arsenal if the tubes can accommodate Brahmos..... this way we will have a mix breed of SSBN and SSGN....
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Brahmos is being modified to launch from Submarine based VLS
Our future SSNs and SSKs will carry Brahmos
However the one short coming of this missile is it’s inability to be launched from Torpedo tubes which means it can’t launch from Scorpenes and upcoming u214s

Which means that even if the missile is ready, we won’t have a launch platform till 2037-38 when the first SSN enters service
Unless we decide to update INS Arihant to launch this during its first Midlife refit around 2028-30
 
Archie said:
Brahmos is being modified to launch from Submarine based VLS
Our future SSNs and SSKs will carry Brahmos
However the one short coming of this missile is it’s inability to be launched from Torpedo tubes which means it can’t launch from Scorpenes and upcoming u214s

Which means that even if the missile is ready, we won’t have a launch platform till 2037-38 when the first SSN enters service
Unless we decide to update INS Arihant to launch this during its first Midlife refit around 2028-30
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BrahMos NG will be capable of being launched directly from torpedo tubes.
 
Very surprised a certain Mr ? As kept very quiet not co.e up with his usual
You have only inducted x amount of Tejas in x years usual tripe
 
DDG-80 said:
The distance from the northern parts of the Bay of Bengal to Beijing is approximately 3,338 km. This means that the K-4 missile, with its range of about 3,500 km, could potentially reach Beijing from the northern Bay of Bengal. Now, the K-5 missile, which is under development, is expected to have a range of 5,000 km. This extended range would cover virtually all of China's mainland from launch points in the Indian Ocean. From a secure position in the deeper parts of the Indian Ocean, Indian SSBNs armed with K-5 missiles could target major cities across China, including Beijing, Shanghai, and beyond, making them a credible deterrent.
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You are right.... also we should not forget the official declared range of these missiles is shorter than the actual undisclosed range....
 
Archie said:
Brahmos is being modified to launch from Submarine based VLS
Our future SSNs and SSKs will carry Brahmos
However the one short coming of this missile is it’s inability to be launched from Torpedo tubes which means it can’t launch from Scorpenes and upcoming u214s

Which means that even if the missile is ready, we won’t have a launch platform till 2037-38 when the first SSN enters service
Unless we decide to update INS Arihant to launch this during its first Midlife refit around 2028-30
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Hope we get those Brahmos operational somehow in this decade only....

BTW what are the self protection systems on SSBN? Considering its not attack submarine and mostly keeps itself hidden for strategic purposes....
 
This is excellent news! It means this boat will be useful against China.
 
Pingle said:
Means it's official our SSBN is fitting with 3500 kms ballistic missiles.... thanks for sharing this wonderful news...
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Nuclear deterrence must deliver the necessary impact.
 
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