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INS Arihant : Updates & Discussion

Realistically as of now K4s dont give IN solid deterrance or Third strike capability post may be MAD situation. If and when the K series equivalent of A5 in 12-14 meters dimensions with at least 4-6 MIRV capability is inducted and deployed in Arihant series then may be 12 such missiles per sub for a total of 4 such subs would make really a deadly impact.
The reason being A5 equivalent is bcz i believe lurking from waters near Tamilnadu/Srilanka or Lakshadeep or Andaman & Nicobar and launching such 12 missiles with MIRV is a fear inducing factor to any enemies of our country. Especially bcz range is much closer to 8k but operationally may be stated 5-6k.

If i am correct then deployment would always be mix of K15 750kms range and K4 3500 Km range and may be later series K missiles in a single sub. I generally doubt a single sub being loaded with all K4 missiles only alone. In such a case, the long range missile may be at max 4-6 in numbers and thus requires the max range heaviest damage logic.
 
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more in the 9,000 tonne plus size than the 6,000 tonne plus, class. Derived from this observation is the logical conclusion that it would have to be driven by a bigger N-power plant than the 80MW-90 MW it’s been credited with. The HEU fueled Arihant reactor seems able to produce around 110 plus Megawatts of power.

this is the exact opposite tack to the one taken by Beijing andthe Chinese Navy, which ballyhoo an armament in their employ even when it has proved all but useless, such as the Xia-class SSBNs that stayed in protected port conditions for most of their life until their decommisioning, now underway.

WE already hinted by saying new powerful reactors under development for Arihant class subs :D Looks like already have one up and running .
 
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Nuclear submarine to rule seas by year-end


INS-Arihant_0.jpg

(Photo: Video grab)


Visakhapatnam:
The ‘Sea-Acceptance’ trials of India’s first indigenous nuclear-powered submarine INS Arihant are on track and the naval authorities are satisfied with the progress.

The 6,000-tonne submarine, which is capable of carrying nuclear missiles, is expected to be commissioned and inducted into the Indian Navy’s submarine fleet by the end of this year. Earlier, it was indicated that the commissioning will be done in 2017. However, the sea trials and the commissioning of the submarine have already been delayed by several years. According to the original schedule, the nuclear submarine, which was ceremonially launched on July 26, 2009, was supposed to go for sea trials in 2010 and formally inducted into the Indian Navy by 2011.

HYD_2015-02-19_maip6_16.jpg.png


“Sea trails have commenced and they are expected to be completed by this year-end. The submarine is going through all the safety procedures. There are several government agencies, committees and atomic bodies, and the nuclear submarine needs to undergo scrutiny at various levels. Several surface and deep sea dives have already been done. Overall, the submarine is on the right track and it will be commissioned by this year-end. We are taking baby steps in making nuclear submarines and need to take utmost care so that no untoward incident happens,” Eastern Naval Command Commander-in-Chief Vice-Admiral Satish Soni told this correspondent.

INS Arihant had entered the open sea waters off Vizag coast on December 15 last year, in the presence of defence minister Manohar Parikkar, who kick-started the Sea-Acceptance trials.

The launch of INS Arihant’s SATs were kept a secret, due to the sensitivity involved. SATs were taken up after a series of successful Harbour-Acceptance trials at the ship building centre in Vizag over a few months.

http://www.deccanchronicle.com/1502.../article/nuclear-submarine-rule-seas-year-end
 
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Govt okays plan for building 6 N-submarines, 7 frigates - Rediff.com India News

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The government has cleared the indigenous construction of seven stealth frigates and six nuclear-powered submarines to bolster naval power.


Defence sources said the decision was taken recently by the Cabinet Committee on Security.

The decision to build the six new submarines is part of the 30-year submarine building programme cleared in 1999. The plan is to have 24 submarines in 30 years. The first project was the P75, under which six Scorpene submarines are being built in India.

Another project for six more submarines was cleared by the government last year and this project was titled P75I. The Request for Proposal for the project is likely to be issued in March.

"The government has tweaked the project under which the CCS has taken a decision that the next six submarines would be nuclear-powered, unlike the conventional ones that were envisaged," sources said explaining the recent decision.

They said it was different from the P75I project and was already envisaged when the 30-year project was cleared.

The government has also decided to go ahead with the 'Project-17A' for stealth frigates under which four will be constructed at Mazagon Docks in Mumbai and three at Garden Reach Shipbuilders and Engineers in Kolkata.
 
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INDIA SUBMARINE CAPABILITIES


proxy


The Indian Navy currently operates 14 diesel powered submarines; and one nuclear powered submarine. The nuclear powered Akula-class sub is operated on a ten year lease from the Russian Federation.India's submarine fleet is based at two locations: Visakhapatnam on the east coast and Mumbai on the west coast. An additional west coast base is also being constructed at Karwar; located 650km south of Mumbai. The backbone of the fleet is formed by ten Kilo-class Type 877EM - or Sindhugosh-class - units that are being progressively retrofitted to accommodate the Klub/3M-54E Alfa cruise missile system. India also operates four Shishumar-class Type 209/1500 vessels designed by Howaldtswerke-Deutsche Werft (HDW) in Germany.

INS Sindhugosh Kilo Class diesel-electric Submarine


While the first two vessels from the Shishumar-class were built at HDW, boats three and four were constructed at the Mazagon Dock in Mumbai from packages supplied by HDW. All four of the Shishumars have undergone refit since they were commissioned and together they form the 10th submarine squadron based at Mumbai. The fleet's remaining vessels consist of two aging Foxtrot-class boats, which are currently being used for training purposes. In addition to the 14 active submarines, however, India is in the process of constructing six Scorpène-class boats that are being indigenously built at the Mazagon Dock in Mumbai, under the supervision of French technicians. Indian defense planners have also begun development of the long anticipated indigenously built Arihant-class nuclear powered submarine fleet.

On August 14, 2013, a series of explosions tore through the INS Sindhurakshak, the ninth of India's ten Sindhughosh-class submarines. As a result of the blasts, which were caused by unintentional weapons detonations, a fire broke out onboard, and the submarine sank at its berth. The boat had recently returned from an extensive upgrade in Russia and was docked in Mumbai at the time of the accident. Eighteen sailors perished after being trapped in the submerged hull of the vessel. Official sources have stated that it is "highly unlikely" that the Sindhurakshak will be repaired and returned to service. The accident has increased concerns regarding the state of the Indian Navy's aging submarine fleet. More than half of India's subs have completed 75 percent of their operational lives; while some in operation have exceeded their service life. By 2014-2015, only 9 of the total 14 diesel-electric vessels will be operational, due to necessary overhaul and repair processes.

INS_Arihant_1.jpg

India's First Indigenous NUCLEAR SSBN Submarine INS Arihant First indigenous nuclear submarine

While India discussed the potential of nuclear powered submarines as early as the 1960's, the development of the Advanced Technology Vessel (ATV) submarine program didn't begin until 1984. In July 2009 India launched its first ATV submarine, the INS Arihant, at the Ship Building Centre in Vishakapatnam. Codenamed S-2, the INS Arihant is currently undergoing sea trials and will subsequently be inducted into the Indian Navy.

K-4 is an intermediate-range nuclear-capable submarine-launched ballistic missile


The Arihant is the first of four Arihant-class submarines that will perform a role in India's strategic nuclear deterrent. The second nuclear sub, the INSAridhaman, is also being constructed in Vishakapatnam, but its launch has been marred by significant delays. The final two Arihant class subs, dubbed S-3 and S-4, will be constructed at the shipbuilding center at Vadodara. The vessels are likely to carry 12 Sagarika (K-15) submarine launched ballistic missiles (SLBM) with a range of around 700km. Ultimately, the INS Arihant may carry long range 4 K-4 (3,500km) SLBM's in lieu of the 12 K-15 delivery systems.

In addition, the INS Arihant will carry torpedoes and submarine launched cruise missiles (SLCM). India's nuclear powered submarine program is under the management and operations (M&O) of the Defence Research and Development Organisation (DRDO), the Department of Atomic Energy (DAE), and the Indian Navy at Visakhapatnam.

The Indian Navy's area of operation includes the Arabian Sea, the Indian Ocean, and the Bay of Bengal. These waters include numerous sea lines of communication (SLOC) chokepoints, such as the Strait of Hormuz, Bab El Mandeb, and the Malacca Straits. Almost 97% of India's foreign trade by volume and 60% of the world's sea-borne trade and energy resources are transported through these strategic bottlenecks. This share of critical global trade is likely to be amplified by the growing energy demands and industrial exports of East and Southeast Asia.

Consequently, one of the Indian Navy's fundamental tasks involves the establishment of sea control to protect its vital SLOCs. It has traditionally paid particular attention to Pakistani Navy developments, as India and Pakistan have had numerous hot and cold conflicts over the years. Gradually, the focus of the Indian Navy is shifting to the Chinese Navy, as acknowledged in the recently publicized Indian Maritime Doctrine. This document reiterates earlier calls for a stronger deterrent capability against foreign intervention by non-littoral navies.

With this in mind, India has been modernizing its fleet and has been continually interested in procuring nuclear attack and diesel submarines, establishing two aircraft carrier groups, and developing new cruise missiles, Indian officials have repeatedly indicated their concerns over China's progress on nuclear submarine construction. Deterrence against non-littoral navies is not limited to China, however. The recent and planned acquisitions of naval vessels by a number of ASEAN nations are also mentioned in the doctrine. In addition, the deployment of a US carrier task force to the Bay of Bengal during the 1971 Indo-Pakistani war is unlikely to have been forgotten. As such, the continued US presence at Diego Garcia and Bahrain may represent a concern to the Indian Navy.

Aside from sea control and denial roles, the Indian Navy executes counter-terrorism, anti-drug trafficking, and anti-piracy operations within its area of interest. These roles are complicated not only by the large amount of shipping traffic, but also by the size of India's exclusive economic zone of 2.02 million square kilometers, to which it seeks to add 1.5 million square kilometers in accordance with international treaties. The aforementioned choke points, in particular, represent attractive targets for potential terrorist attacks. In addition, various territorial disputes with India's neighbors remain unresolved and could lead to renewed tensions. For instance, oil and gas exploration is underway in the Sir Creek Estuary, the boundary of which is debated by Pakistan. Bangladesh and India have also both laid claim to New Moore/Purbasha Island (or South Talpatty as it is known in Bangladesh).

India's ambitions for a sea-based nuclear deterrent were acknowledged in 1998. After executing a number of nuclear tests, the government declared that its future minimum nuclear deterrent (MND)would be based on a triad: a combination of airborne, naval, and land-based platforms. India's maritime doctrine further clarifies this statement by specifically calling for the establishment of a submarine-based MND. The triad could be completed with the successful conclusion of India's ATV program, a lease of nuclear submarines, or perhaps, to a lesser extent with the acquisition of air-independent propulsion (AIP) submarines. India has had experience leasing a nuclear-powered submarine: from 1988 to 1991 it leased a Project 670 Skat (NATO name Charlie I) class nuclear-powered cruise missile submarine from the Soviet Union, the K-43 (renamed Chakra while in Indian service).

The reactors were operated by a Soviet crew and the vessel was returned to the Soviet Union. In order to gain further experience operating nuclear submarines, India has begun the ten-year lease of a Russian Project 971 Schuka-B (NATO designation Akula II) class vessel, a deal costing the country an estimated USD 920 million. In preparation for the lease, around 300 Indian personnel underwent training at a special facility in Sosnovy Bor, near St. Petersburg. On April 4, 2012, Defense Minister A K Antony commissioned the K-152 Nerpainto the Indian Navy, rechristening it the INS Chakra II. The Chakra II is armed with 300-km Klub missiles, unlike the Russian Navy's Shchuka B submarines, which carry cruise missiles with a striking range of 3,000 km. Recent reports have indicated that Russia has agreed to loan India a second Akula-class nuclear powered submarine. As with the INS Chakra, lease conditions for the second Akula-class sub will only permit India to fire conventional weapon systems.

Given the various tasks and increasing role assigned to the Indian Navy, earlier strategic reviews and the Project 75 procurement plan have allegedly called for the procurement of 24 submarines to "maintain adequate operational force levels." These boats should be comprised of two locally built submarine classes. On October 6, 2005, India signed a contract with France's Armaris (a joint venture between France's DCN and Spain's Navantia, formerly Izar) for six Scorpène-class vessels with an option for an additional six units, to be constructed at the Mazagon Shipyard in Mumbai. Armaris are to provide technical advisers and supply the combat and command systems, underwater sensors and communications.

The six vessels will carry Exocet SM 39 missiles supplied by MBDA. It was initially planned that DCN would deliver the first Scorpene in 2012, with the other vessels to follow over five years. However, complex procurement procedures and a failure to renew contracts have led to significant delays; it is now expected that the first boat will be ready for commissioning no sooner than late 2016. India is reportedly considering the installation of MESMA, the French AIP system, in the last two vessels. New Delhi has also announced plans to issue a tender for six additional submarines. There are several possible contenders for the bid: DCNS with the Scorpène; Germany's HDW with the Type 214; Russia's Rubin Design Bureau with its Amur 1650; and the Spanish shipbuilder Navantia, with the S-80A.

In 2004, Italy's Fincanteri entered a joint venture with Russia's Rubin Naval Design Bureau to develop a new diesel-electric submarine, the s1000, based on the Amur SSK and featuring AIP technology. India was the first country to receive a briefing on the new submarine and it reportedly considered an Italian offer to build six boats for $3.5 billion but there was no subsequent purchase agreement. (Adapted from NTI)

by Admin IDN

India Submarine Capabilities ~ Indian Defence News
 
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INDIA SUBMARINE CAPABILITIES


proxy


The Indian Navy currently operates 14 diesel powered submarines; and one nuclear powered submarine. The nuclear powered Akula-class sub is operated on a ten year lease from the Russian Federation.India's submarine fleet is based at two locations: Visakhapatnam on the east coast and Mumbai on the west coast. An additional west coast base is also being constructed at Karwar; located 650km south of Mumbai. The backbone of the fleet is formed by ten Kilo-class Type 877EM - or
Sindhugosh-class - units that are being progressively retrofitted to accommodate the Klub/3M-54E Alfa cruise missile system. India also operates four Shishumar-class Type 209/1500 vessels designed by Howaldtswerke-Deutsche Werft (HDW) in Germany.

INS Sindhugosh Kilo Class diesel-electric Submarine


While the first two vessels from the Shishumar-class were built at HDW, boats three and four were constructed at the Mazagon Dock in Mumbai from packages supplied by HDW. All four of the Shishumars have undergone refit since they were commissioned and together they form the 10th submarine squadron based at Mumbai. The fleet's remaining vessels consist of two aging Foxtrot-class boats, which are currently being used for training purposes. In addition to the 14 active submarines, however, India is in the process of constructing six Scorpène-class boats that are being indigenously built at the Mazagon Dock in Mumbai, under the supervision of French technicians. Indian defense planners have also begun development of the long anticipated indigenously built Arihant-class nuclear powered submarine fleet.

On August 14, 2013, a series of explosions tore through the INS Sindhurakshak, the ninth of India's ten Sindhughosh-class submarines. As a result of the blasts, which were caused by unintentional weapons detonations, a fire broke out onboard, and the submarine sank at its berth. The boat had recently returned from an extensive upgrade in Russia and was docked in Mumbai at the time of the accident. Eighteen sailors perished after being trapped in the submerged hull of the vessel. Official sources have stated that it is "highly unlikely" that the Sindhurakshak will be repaired and returned to service. The accident has increased concerns regarding the state of the Indian Navy's aging submarine fleet. More than half of India's subs have completed 75 percent of their operational lives; while some in operation have exceeded their service life. By 2014-2015, only 9 of the total 14 diesel-electric vessels will be operational, due to necessary overhaul and repair processes.

INS_Arihant_1.jpg

India's First Indigenous NUCLEAR SSBN Submarine INS Arihant First indigenous nuclear submarine

While India discussed the potential of nuclear powered submarines as early as the 1960's, the development of the Advanced Technology Vessel (ATV) submarine program didn't begin until 1984. In July 2009 India launched its first ATV submarine, the INS Arihant, at the Ship Building Centre in Vishakapatnam. Codenamed S-2, the INS Arihant is currently undergoing sea trials and will subsequently be inducted into the Indian Navy.

K-4 is an intermediate-range nuclear-capable submarine-launched ballistic missile


The Arihant is the first of four Arihant-class submarines that will perform a role in India's strategic nuclear deterrent. The second nuclear sub, the INSAridhaman, is also being constructed in Vishakapatnam, but its launch has been marred by significant delays. The final two Arihant class subs, dubbed S-3 and S-4, will be constructed at the shipbuilding center at Vadodara. The vessels are likely to carry 12 Sagarika (K-15) submarine launched ballistic missiles (SLBM) with a range of around 700km. Ultimately, the INS Arihant may carry long range 4 K-4 (3,500km) SLBM's in lieu of the 12 K-15 delivery systems.

In addition, the INS Arihant will carry torpedoes and submarine launched cruise missiles (SLCM). India's nuclear powered submarine program is under the management and operations (M&O) of the Defence Research and Development Organisation (DRDO), the Department of Atomic Energy (DAE), and the Indian Navy at Visakhapatnam.

The Indian Navy's area of operation includes the Arabian Sea, the Indian Ocean, and the Bay of Bengal. These waters include numerous sea lines of communication (SLOC) chokepoints, such as the Strait of Hormuz, Bab El Mandeb, and the Malacca Straits. Almost 97% of India's foreign trade by volume and 60% of the world's sea-borne trade and energy resources are transported through these strategic bottlenecks. This share of critical global trade is likely to be amplified by the growing energy demands and industrial exports of East and Southeast Asia.

Consequently, one of the Indian Navy's fundamental tasks involves the establishment of sea control to protect its vital SLOCs. It has traditionally paid particular attention to Pakistani Navy developments, as India and Pakistan have had numerous hot and cold conflicts over the years. Gradually, the focus of the Indian Navy is shifting to the Chinese Navy, as acknowledged in the recently publicized Indian Maritime Doctrine. This document reiterates earlier calls for a stronger deterrent capability against foreign intervention by non-littoral navies.

With this in mind, India has been modernizing its fleet and has been continually interested in procuring nuclear attack and diesel submarines, establishing two aircraft carrier groups, and developing new cruise missiles, Indian officials have repeatedly indicated their concerns over China's progress on nuclear submarine construction. Deterrence against non-littoral navies is not limited to China, however. The recent and planned acquisitions of naval vessels by a number of ASEAN nations are also mentioned in the doctrine. In addition, the deployment of a US carrier task force to the Bay of Bengal during the 1971 Indo-Pakistani war is unlikely to have been forgotten. As such, the continued US presence at Diego Garcia and Bahrain may represent a concern to the Indian Navy.

Aside from sea control and denial roles, the Indian Navy executes counter-terrorism, anti-drug trafficking, and anti-piracy operations within its area of interest. These roles are complicated not only by the large amount of shipping traffic, but also by the size of India's exclusive economic zone of 2.02 million square kilometers, to which it seeks to add 1.5 million square kilometers in accordance with international treaties. The aforementioned choke points, in particular, represent attractive targets for potential terrorist attacks. In addition, various territorial disputes with India's neighbors remain unresolved and could lead to renewed tensions. For instance, oil and gas exploration is underway in the Sir Creek Estuary, the boundary of which is debated by Pakistan. Bangladesh and India have also both laid claim to New Moore/Purbasha Island (or South Talpatty as it is known in Bangladesh).

India's ambitions for a sea-based nuclear deterrent were acknowledged in 1998. After executing a number of nuclear tests, the government declared that its future minimum nuclear deterrent (MND)would be based on a triad: a combination of airborne, naval, and land-based platforms. India's maritime doctrine further clarifies this statement by specifically calling for the establishment of a submarine-based MND. The triad could be completed with the successful conclusion of India's ATV program, a lease of nuclear submarines, or perhaps, to a lesser extent with the acquisition of air-independent propulsion (AIP) submarines. India has had experience leasing a nuclear-powered submarine: from 1988 to 1991 it leased a Project 670 Skat (NATO name Charlie I) class nuclear-powered cruise missile submarine from the Soviet Union, the K-43 (renamed Chakra while in Indian service).

The reactors were operated by a Soviet crew and the vessel was returned to the Soviet Union. In order to gain further experience operating nuclear submarines, India has begun the ten-year lease of a Russian Project 971 Schuka-B (NATO designation Akula II) class vessel, a deal costing the country an estimated USD 920 million. In preparation for the lease, around 300 Indian personnel underwent training at a special facility in Sosnovy Bor, near St. Petersburg. On April 4, 2012, Defense Minister A K Antony commissioned the K-152 Nerpainto the Indian Navy, rechristening it the INS Chakra II. The Chakra II is armed with 300-km Klub missiles, unlike the Russian Navy's Shchuka B submarines, which carry cruise missiles with a striking range of 3,000 km. Recent reports have indicated that Russia has agreed to loan India a second Akula-class nuclear powered submarine. As with the INS Chakra, lease conditions for the second Akula-class sub will only permit India to fire conventional weapon systems.

Given the various tasks and increasing role assigned to the Indian Navy, earlier strategic reviews and the Project 75 procurement plan have allegedly called for the procurement of 24 submarines to "maintain adequate operational force levels." These boats should be comprised of two locally built submarine classes. On October 6, 2005, India signed a contract with France's Armaris (a joint venture between France's DCN and Spain's Navantia, formerly Izar) for six Scorpène-class vessels with an option for an additional six units, to be constructed at the Mazagon Shipyard in Mumbai. Armaris are to provide technical advisers and supply the combat and command systems, underwater sensors and communications.

The six vessels will carry Exocet SM 39 missiles supplied by MBDA. It was initially planned that DCN would deliver the first Scorpene in 2012, with the other vessels to follow over five years. However, complex procurement procedures and a failure to renew contracts have led to significant delays; it is now expected that the first boat will be ready for commissioning no sooner than late 2016. India is reportedly considering the installation of MESMA, the French AIP system, in the last two vessels. New Delhi has also announced plans to issue a tender for six additional submarines. There are several possible contenders for the bid: DCNS with the Scorpène; Germany's HDW with the Type 214; Russia's Rubin Design Bureau with its Amur 1650; and the Spanish shipbuilder Navantia, with the S-80A.

In 2004, Italy's Fincanteri entered a joint venture with Russia's Rubin Naval Design Bureau to develop a new diesel-electric submarine, the s1000, based on the Amur SSK and featuring AIP technology. India was the first country to receive a briefing on the new submarine and it reportedly considered an Italian offer to build six boats for $3.5 billion but there was no subsequent purchase agreement. (Adapted from NTI)

by Admin IDN

India Submarine Capabilities ~ Indian Defence News










Thanks for info
 
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Nuclear submarine to rule seas by year-end


INS-Arihant_0.jpg

(Photo: Video grab)


Visakhapatnam:
The ‘Sea-Acceptance’ trials of India’s first indigenous nuclear-powered submarine INS Arihant are on track and the naval authorities are satisfied with the progress.

The 6,000-tonne submarine, which is capable of carrying nuclear missiles, is expected to be commissioned and inducted into the Indian Navy’s submarine fleet by the end of this year. Earlier, it was indicated that the commissioning will be done in 2017. However, the sea trials and the commissioning of the submarine have already been delayed by several years. According to the original schedule, the nuclear submarine, which was ceremonially launched on July 26, 2009, was supposed to go for sea trials in 2010 and formally inducted into the Indian Navy by 2011.

HYD_2015-02-19_maip6_16.jpg.png


“Sea trails have commenced and they are expected to be completed by this year-end. The submarine is going through all the safety procedures. There are several government agencies, committees and atomic bodies, and the nuclear submarine needs to undergo scrutiny at various levels. Several surface and deep sea dives have already been done. Overall, the submarine is on the right track and it will be commissioned by this year-end. We are taking baby steps in making nuclear submarines and need to take utmost care so that no untoward incident happens,” Eastern Naval Command Commander-in-Chief Vice-Admiral Satish Soni told this correspondent.

INS Arihant had entered the open sea waters off Vizag coast on December 15 last year, in the presence of defence minister Manohar Parikkar, who kick-started the Sea-Acceptance trials.

The launch of INS Arihant’s SATs were kept a secret, due to the sensitivity involved. SATs were taken up after a series of successful Harbour-Acceptance trials at the ship building centre in Vizag over a few months.

Nuclear submarine to rule seas by year-end

Today people will laugh at our submarine fleet strength with 14 diesel electric submarines . Of which 8-9 are operational and others under refit or undergoing repairs . Anyway but in the future people may have to fear . Why ?

INS Arihant isn't he weakest of its series . From Arihant s 12 K 15 or 4 K4 missile the next 2 will be more capable in fact double the weapons carried . Which will be 24 K 15 or 8 K4 . Now this is something called serious Deterrent ! Any country will love to have this capability. When a SSBN with as many as 12 750+ km range missile and atleast 4 2000+ KM nuclear ballistic missile k4 is waiting somewhere deep inside water just to launch minium 4 T of Nuclear material . It's a fear factor . And upper hand for those who had and have this ability on global stage. And for good strengthened diplomacy.

And more over these are just a technological demonstrator from old nuclear sub leased by Russia decades ago. So now what is more interesting is its new lease of SSN INS CHAKRA II. Which is just to hunt down enemy submarines and their surface vessels with 300 KM range Russian club missiles . In future too soo far Indians underwater fleet status is about to take a 360 degree turn to form a real SSN which will be created with in the country upto 6 have been planned . No need to have any doubts we will use AKULA-CLASS as our blue print . As we have already have one .Chakra which will be used for this very purpose . And second SSN to be leased will be up for full patrolling duties .

This not all . IN already planned to expand its SSK with under construction Scorpène-class submarines and new request for procuring 6 advanced submarines with AIP and VLS for Installation of world's most successful dangerous and fastest missile in the world called Brahmos anti ship cruise missile .

To sum it up on why our enemies who laugh at our present depleted under water capabilities will soon be in fear :
Plans include:

3 Arihant-class are just a beginning for wide range plan of IN

- 6 Scorpenes for Project-75 Scorpene (with indigenous DRDO AIP) contracts signed in 2005-2006. Little observable progress since. But first submarine is nearing completion and other subs will be followed by 1 year interval from one another.

- 6 Project-75I (for India) (with AIP and land attack missiles) selection process continued through 2007 to present day for Indian construction SSKs designed in Spain, Russia, France or Germany. Little observable progress. Don't leave Japanese beast. We well be in a option to choose between the best in the world . Which ever gets selected will be able to fire cruise missiles vertical . Both land and anti ship variants.

- 3 Arihant class SSBNs (including INS Arihant launched in 2009. Within this class:
= S-1 is the half submarine reactor test rig at Kalpakkam (India's southeast coast, just south of Chennai)
= S-2 is INS Arihant itself (undergoing trials - may never be operational).
= S-3 is INS Aridhaman (under construction at Shipbuilding Centre Vadodara (India's west coast, north of Mumbai) or Shipbuilding Centre Visakhapatnam (east coast) prior to launch perhaps in 2015)
= S-4 no name yet (under construction Shipbuilding Centre Vadodara prior to launch perhaps in 2016)

Now which will be followed by

- 6 (yes 6) SSNs - to be constructed at Visakhapatnam. Few details, no date milestones. This very old FAS reportindicates India has been interested in building or buying 6 SSNs since the 1950s, with Russian assistance, for fleet protection, mainly against Chinese subs. India financed the completion of INS Chakra (ex Nerpa) (a Russian Akula 2) - is long leasing it - and commissioned it into the Indian Navy in 2012. Since commissing Chakra has been almost invisable. It may not be operational but rather a full test model for examination and trials by the India Navy, DRDO and India's nuclear reactor sector. It is likely any Indian built SSN would draw heavily on Akula 2 technology and be built with Russian assistance.

And this line of production won't stop as next generation SSBN will be planned too . With much advanced and much bigger configuration .

So when you 14 old but upgraded submarines to the mix or atleast 8 operational by 2025-2030 . Indian submarine fleet will be more capable than many nations in the world . More than enough to have a full blue water navy . Anyways Chinese will have to replace their some 20-30 old submarines some of them are even 1970-80 s . So Indian Navy will be the much feared navy in Asia second to US Pacific fleet. Now both India and chine will be more or less equal on AC battle groups as India as the upper hand on operational experience of Aircraft Carries .

These new 6+6+6+3 will add much need capacity to defend our Sea Lane. In other word we will dictate terms in IOR region and can throw some stones at the partiality clear muddy water SCS
 
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I dont think thats Akula.
Untitled.png


Why they bring the Akula or INS Arihant to HSL? Any guesses? Second sub? Or possibly this is image of Nov.

INS_Chakra.jpg


There is no white paint in the front.

The white paint clearly seen on the INS Arihant.

@Abingdonboy

Which one are you talking about ??

The one on the right which you have measured is the Arihant .

The one to the left of Arihant , inside the structure must be Akula .

The image is from Jan this year .
 
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SOURCE : THE HINDU

arianth.jpg


Almost six years ago, in Visakhapatnam, Gursharan Kaur, wife of then Prime Minister Manmohan Singh, cracked a coconut on the hull of India’s first nuclear-powered ballistic missile submarine (SSBN). Subsequently named the INS Arihant or “destroyer of enemies”, the vessel was the result of decades of efforts by India’s nuclear scientists. For many years, bureaucratic languor, technical challenges and chronic difficulties in nuclear reactor miniaturisation appeared to ensure that progress would be painstakingly slow. Indeed, at one stage, it became unclear whether the project would see the light of day.

In August 2013, when the Arihant’s nuclear reactor finally went critical, the event was thus widely hailed, both in India and abroad, as a major technological and symbolic milestone. Currently undergoing sea trials, the Arihant is destined to be the first vessel in a flotilla of up to five indigenously produced SSBNs, and it has been reported that a sister vessel, the INS Aridhaman, is nearing completion. Since the Pokhran-II series of nuclear tests in 1998, the Indian government has repeatedly iterated its desire to attain a credible minimum nuclear deterrent, structured around what nuclear strategists refer to as a triad, that is, a mixture of aircraft, land-based mobile missiles and naval assets. India’s nuclear doctrine states that it is a no-first-use power, and it is in this light that one must view the importance attached to the sea-based leg of its nuclear deterrent.

Indeed, the survivability and overall resiliency of India’s nuclear arsenal has become a growing concern for military planners in New Delhi, particularly as Beijing continues to make rapid advances in missile, space and cyber technology. Nuclear submarines, provided they are sufficiently quiet, are still considered to be the most survivable of nuclear platforms, due to their mobility and discretion. Placing nuclear assets underwater puts them at a safer distance from a crippling first strike. The development of the Arihant and its successors therefore constitutes the next logical step in Delhi’s quest for an assured retaliatory capability.

It is important to note, however, that while the launch of India’s first indigenous SSBN constitutes a great accomplishment, it is also only the first step in what promises to be a long and onerous process. India’s naval nuclear journey has only just begun.Going forward, the Indian navy will face three sets of nuclear challenges. The first set is in the technological domain, as the navy struggles to acquire the capability for continuous at-sea deterrence.

The second set of difficulties will need to be addressed within the navy itself, as its officers begin to grapple with the importance of their service’s new nuclear role. Finally, Indian naval planners will also have to contend with their Pakistani counterparts’ development of what can best be described as a “naval nuclear force-in-being”.

When the Arihant is finally commissioned, it will be fitted with 12 Sagarika K-15 submarine-launched ballistic missiles (SLBMs). The Sagarika, however, only has a strike radius of about 750 to 800 km, which many analysts rightly consider inadequate. Indeed, with such a short range, the Arihant could not reach Islamabad, let alone China’s strategic centres. The DRDO is currently working on two longer-range SLBMs: the 3,500-km range K-4, which recently underwent a successful test launch from an underwater pontoon, and the 5,000-km range K-5, which is still in the design phase. According to sources, the Arihant is fitted with four universal tube launchers, which can each carry either three K-15 missiles or one K-4 missile. Observers have raised questions, however, over the compatibility of the K-4’s height with the submarine’s 10.4-m hull. If the length of the K-4 cannot be shortened, the Arihant may need to be retrofitted with a hydrodynamic outer development, or “bump.” Even if the DRDO’s engineers do succeed in squeezing the K-4 aboard, the missile’s range remains somewhat unsatisfactory. It would require India’s nuclear submariners to operate on the northeastern fringes of the Bay of Bengal in order to effectively target China’s major metropolises, rather than within the more sanitised waters abutting India’s eastern seaboard. The K-5 is rumoured to stand at a height of about 12 m, which rules out its deployment aboard the Arihant. The second major technological limitation is that of the Arihant’s nuclear reactor. Reportedly based on first- or second-generation Soviet technology, the 83-megawatt pressurised water reactor has a short refuelling cycle, thus limiting the length of the Arihant’s deterrent patrols.

In short, in order to enjoy an effective sea-based deterrent with regard to China, India will need to deploy larger SSBNs with greater missile carriage capacity and more powerful nuclear reactors. The fourth planned submarine in the series is projected to possess such characteristics, but it may take more than a decade for it to be successfully developed and launched, and even longer for it to be commissioned. While India’s submarine fleet has been taking shape, Delhi has also conducted a series of test firings, starting in 2000, of Dhanush-class short-range ballistic missiles from surface ships. For the time being, however, it appears that the Dhanush programme is merely a stopgap measure until the SSBN fleet comes into full fruition.

Second, history has shown that all newly nuclear navies face some difficult tradeoffs. As India’s SSBN fleet gradually grows in size and importance, the challenge will be to ensure that the navy’s new nuclear role develops alongside, rather than to the detriment of, its conventional missions. As in all nuclear navies, a debate will no doubt unfold within the service

as to how many resources and platforms should be devoted to the ballistic missile submarine fleet’s protection. Tough decisions may need to be made, particularly if India’s underwater environment becomes more contested. India’s nuclear command and control procedures will also almost certainly undergo a revision, as the SLBMs will be canisterised and ready for launch, rather than de-mated.

Finally, India’s naval and nuclear planners will also have to contend with the progressive materialisation of a nuclearised Pakistani navy — albeit one with much less orthodox characteristics and undergirded by a very different nuclear posture. Indeed, Islamabad aims to eventually disperse nuclear-tipped cruise missiles across a variety of naval platforms, ranging from surface ships in the short term to conventional diesel-electric submarines in the long term. Unlike India, Pakistan’s naval nuclear ambitions are fuelled primarily by the sense of a growing conventional imbalance in the maritime domain. By nuclearising — or by appearing to nuclearise — a large portion of their fleet architecture, Pakistani military planners hope to neuter India’s growing naval power, inject ambiguity and acquire escalation dominance in the event of a limited conflict at sea. Since Independence, Indian naval officers have been accustomed to operating within a purely conventional maritime setting. Dealing with such a prospective adversary will no doubt necessitate a fundamental rethinking of the navy’s operational concepts. Perhaps more importantly, it will also require an effort on the part of both countries to further institutionalise the maritime component of their relations so as to ensure that in future, isolated incidents don’t spiral out of control.

The writer, a nonresident fellow in the South Asia Programme at the Atlantic Council, is author of the report ‘Murky Waters: Naval Nuclear Dynamics in the Indian Ocean’.
 
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I dont think this CGI is right, Arihant looks longer in reality.

Also position of ballast tank in CGI is not right.
 
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Six 533 mm torpedoes.
That's That's too low isn't it . How can she defend herself with only 6 Torpedoes . She will be the first target if we have war with China and Pakistan . They want to hunt her down . They will attack from all the sides . For a nuclear submarines less than30 to 40 is unacceptable

Six 533 mm torpedoes.
And what torpedoes same we using for Scorpions ? Or different one
 
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