Indian nuclear submarines

hit&run

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But is the familiarization not going since the trials? What was the meaning of 20 days mission?
Or was it a media hoax?
20 days is one hell of a Data to process. It is our first comprehensive SSBN platform. All its Sea operations are going to be short with longer gaps compare to other nations having the same platform.

We need a longer time to absorb mission experiences.

Calling it as an issue with nuclear propulsion without giving solid evidence is just moronic.
 

Prashant12

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India and Russia ink $3 billion deal for lease of third nuclear submarine



An INS Chakra SSN submarine used by Indian Navy | Commons
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New Delhi: India and Russia Thursday signed a US$3 billion deal for the lease of a third nuclear-powered attack submarine (SSN) — Chakra III — which is likely to be in Indian waters by 2025 at the earliest.

Defence sources said the mega deal was inked in the national capital, and will make way for the Akula-class submarine to be refurbished and fitted with indigenous communication systems and sensors.

While the exact lease period of the new submarine is not known, sources indicated that it will be in service with India for at least 10 years.

Russia returns to the fore
With this deal, Russia has once again become the most strategic defence partner for India. Thursday’s deal follows a series of mega orders that New Delhi has signed with Moscow in the recent past, including the one for the S-400 Triumf air defence system, and the joint manufacturing of AK-203 rifles in India.

Russian submarines are being leased to train crews for India’s own fleet of ballistic missile firing submarines (SSBNs). India’s first indigenously built SSBN, the INS Arihant, entered service in 2016. A second, the INS Arighat, was launched in 2017, and is expected to enter service soon.

Two more SSBNs are under construction at the Shipbuilding Centre in Visakhapatnam.

Also read: Defence ministry approves indigenous construction of 6 submarines

Current status
The Akula submarines are considered among the best nuclear vessels in the world in terms of stealth and attack capabilities.

The submarine that will become Chakra III was mothballed and shipped to the port town of Severodvinsk in 2014, and sources said Russia will need to do extensive work to make it fit for operation again, including re-activation of the nuclear reactor that powers it and the installation and integration of Indian systems. In that sense, it will be just like a new vessel.

A large team from India will be in Russia as part of the project, and the experience gained is expected to come in handy for the indigenous SSBN programme.

Also read: India to buy 24 MH-60 ‘Romeo’ anti-submarine helicopters for Navy for $2 billion

The other Chakras
Sources said negotiations are also on to extend the lease of Chakra II, which ends next year. Since the new submarine is only likely to arrive by 2025 at the earliest, both sides are looking to extend the Chakra II lease for at least five more years, sources said. Chakra II was inducted in 2012.

The original INS Chakra initially came to India on a three-year lease starting in 1988. It served until 2018 when, on an underwater run, it suffered a major accident that affected the panels covering its sonar dome.

https://theprint.in/defence/india-a...-for-lease-of-third-nuclear-submarine/202509/
 

uoftotaku

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The most significant news about Chakra-III should be the mention of Indian Indigenous Components to be fitted. So for sure there is development going on in parallel behind closed doors for Indigenous SSN program. Chakra III will be the floating test bed to trial systems and give our crews familiarity to operate our own fleet

Very good. Hope the Varunastra follow-up torpedo will be fitted also
 

Aaj ka hero

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They are installing indian systems. I want to ask, is it not going to be troublesome for the Russians when this submarine will return back?
Or some other thing is going on like extended lease for this submarine and REMOVAL OF RUSSIAN Officers who were always designated on previous Chakra 2 submarine.
 

binayak95

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They are installing indian systems. I want to ask, is it not going to be troublesome for the Russians when this submarine will return back?
Or some other thing is going on like extended lease for this submarine and REMOVAL OF RUSSIAN Officers who were always designated on previous Chakra 2 submarine.
Why do you assume that the submarine will be returned back?
 

Bleh

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They are installing indian systems. I want to ask, is it not going to be troublesome for the Russians when this submarine will return back?
Or some other thing is going on like extended lease for this submarine and REMOVAL OF RUSSIAN Officers who were always designated on previous Chakra 2 submarine.
This will not be returned back after spending $3billion on it... Most likely we are trying to run the nuke-sub by using our subsystems & this might be the last one we lease.
 

uoftotaku

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Chakra 2 is to be returned back according to the article unless lease is extended.

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Chakra 2 is being extended by 5 yrs to be in service until Chakra 3 is ready otherwise there will be a gap in capability. In any case it HAS to be returned for mid-life overhaul and complex refueling of the reactor which cannot be performed in India. This whole lease charade is only on paper anyway due to restrictions on sale of such platforms. For all intents and purposes, Chakra 3 will likely remain in IN service for her entire life..with 1 or 2 interludes for re-fueling of the reactor. $3B is a LOT of money to pay for a sub after all. I was kind of expecting 2 subs (both Kashalot and Bratsk are available) for that price...but just like in Chakra 2....perhaps there is some hidden strategic component folded into the cost

As for what they will do the Indian equipment, it will be removed during the overhaul and replaced with Russian equivalent. The inflated cost of the deal accounts for the extra work required for this. In any case, at mid life stage all submarines get a full systems upgrade with latest available technology. 15 years from now, today's high tech will be like Windows 3.1 already.
 
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HariPrasad-1

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This is 120 degree. So 3 k15 comes in one missile tube. One I posted is in center. Plus it's big compare to size of missile tube.
Thank you very much for posting. However, this is man hole for entry into vessel. Can missile be fired from this one? I do not think so.
 

HariPrasad-1

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India and Russia ink $3 billion deal for lease of third nuclear submarine



An INS Chakra SSN submarine used by Indian Navy | Commons
Text Size:





New Delhi: India and Russia Thursday signed a US$3 billion deal for the lease of a third nuclear-powered attack submarine (SSN) — Chakra III — which is likely to be in Indian waters by 2025 at the earliest.

Defence sources said the mega deal was inked in the national capital, and will make way for the Akula-class submarine to be refurbished and fitted with indigenous communication systems and sensors.

While the exact lease period of the new submarine is not known, sources indicated that it will be in service with India for at least 10 years.

Russia returns to the fore
With this deal, Russia has once again become the most strategic defence partner for India. Thursday’s deal follows a series of mega orders that New Delhi has signed with Moscow in the recent past, including the one for the S-400 Triumf air defence system, and the joint manufacturing of AK-203 rifles in India.

Russian submarines are being leased to train crews for India’s own fleet of ballistic missile firing submarines (SSBNs). India’s first indigenously built SSBN, the INS Arihant, entered service in 2016. A second, the INS Arighat, was launched in 2017, and is expected to enter service soon.

Two more SSBNs are under construction at the Shipbuilding Centre in Visakhapatnam.

Also read: Defence ministry approves indigenous construction of 6 submarines

Current status
The Akula submarines are considered among the best nuclear vessels in the world in terms of stealth and attack capabilities.

The submarine that will become Chakra III was mothballed and shipped to the port town of Severodvinsk in 2014, and sources said Russia will need to do extensive work to make it fit for operation again, including re-activation of the nuclear reactor that powers it and the installation and integration of Indian systems. In that sense, it will be just like a new vessel.

A large team from India will be in Russia as part of the project, and the experience gained is expected to come in handy for the indigenous SSBN programme.

Also read: India to buy 24 MH-60 ‘Romeo’ anti-submarine helicopters for Navy for $2 billion

The other Chakras
Sources said negotiations are also on to extend the lease of Chakra II, which ends next year. Since the new submarine is only likely to arrive by 2025 at the earliest, both sides are looking to extend the Chakra II lease for at least five more years, sources said. Chakra II was inducted in 2012.

The original INS Chakra initially came to India on a three-year lease starting in 1988. It served until 2018 when, on an underwater run, it suffered a major accident that affected the panels covering its sonar dome.

https://theprint.in/defence/india-a...-for-lease-of-third-nuclear-submarine/202509/
high Leasing cost hints at something. It will be technology transfer and may be ready to use Nuke provided long with submarine.

We have developed excellent Sonars. The story I had read behind that is as follows. Our warship was traveling somewhere far away from our shore in Indian Ocean, US spy plane dropped Sonar to spy on our ship. Our Sailors jumped into water and took it out and carry it with them. They gave it to DRDO who studied it and developed Sonar out of it. Our Sonars are so powerful that nothing has escaped from it Our HUMSA sonars are also state of art and in each new warship, a significantly better version is installed.
 

Bleh

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Our warship was traveling somewhere far away from our shore in Indian Ocean, US spy plane dropped Sonar to spy on our ship. Our Sailors jumped into water and took it out and carry it with them. They gave it to DRDO who studied it and developed Sonar out of it. Our Sonars are so powerful that nothing has escaped from it Our HUMSA sonars are also state of art and in each new warship, a significantly better version is installed.
Did that actually happen? We are not very good at reverse engineered... actually we're pretty shitty at it.

A lot of Indian tech have gotten really good recently, in all fields, because our technological capability has slowly matured to R&D.
 

uoftotaku

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This was told to me by a Navy pilot. It is for reader to either believe it or not.
Not sonar but sonabouy. Unless it was referring to a dipping sonar transponder from a helicopter which somehow dislodged.

Sonabouys are expendable so no big deal. Dipping sonar would be a real coup
 

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