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NEW DELHI: In a significant step towards boosting ''second-strike'' capabilities, India on Wednesday tested a new 600-km range 'Shaurya' ballistic
missile, which can fired from underground silos unlike the Prithvi and Agni missiles.
The surface-to-surface missile, capable of carrying a one-tonne conventional or nuclear warhead, was successfully fired from a 30 to 40-feet deep pit with an in-built canister to mimic an underground silo at about 11.25 am.
''The successful test-firing of the new state-of-the-art canisterised missile marks another milestone in the country's missile programme,'' said defence minister A K Antony.
The Prithvi (150-350-km range), Agni-I (700-km) and Agni-II (2000-km-plus) missiles already inducted into the armed forces, as also the almost-ready Agni-III (3,500-km), are all transported on special vehicles or trains. Though this gives them flexibility in deployment, it also makes them vulnerable to enemy pre-emptive strikes.
Conversely, Shaurya missiles can remain hidden or camouflaged in underground silos from enemy surveillance or satellites till they are fired from the special storage-cum-launch canisters. ''Consequently, the Shaurya system will strengthen our second-strike capabilities,'' said a top official.
Silos are the primary basing system for land-based ICBMs (intercontinental ballistic missiles, with strike ranges over 5,500-km) of countries like the US, Russia and China.
Defence scientists admit that given Shaurya's limited range at present, either the silos will have to be constructed closer to India's borders or longer-range canisterised missiles will have to be developed.
''Wednesday's test was part of the ongoing technology development work by DRDO. The Shaurya system will require some more tests before it becomes fully operational in two-three years,'' he added.
The composite canister make the missile much easier to store for long periods without maintenance as well as to handle and transport. It also houses the gas generator to eject the missile from the canister before its solid propellant motors take over to hurl it at the intended target.
Moreover, defence scientists say the high-speed, two-stage Shaurya has ''high manoeuvrability'' which also makes it ''less vulnerable'' to existing anti-missile defence systems.
The absence of submarine-launched ballistic missiles (SLBMs), the most reliable and survivable nuclear strike weapons, has long troubled the Indian defence establishment, especially since India has a ''no first-use'' nuclear doctrine.
It is, therefore, important to have nuclear-powered submarines armed with nuclear-tipped missiles, remaining quietly underwater for long periods, to deter an adversary from launching first strikes or to carry out a second-strike in retaliation.
The Shaurya project is intended to plug this gap somewhat. The Shaurya missile system has clear parallels with the under-development K-15 SLBM, as part of the overall secretive Sagarika project, with an initial 700-km strike range.
The canisterised K-15 missiles will arm the indigenous nuclear-powered submarines being built under the 26-year-old ATV (advanced technology vessel) programme at Visakhapatnam, with the first vessel slated to begin sea-trials in early 2009.
The around 10-metre long Shaurya, in turn, will be operated by the Army. ''Like Sagarika, which is fired from an underwater silo in the shape of a submarine, the Shaurya comes out from an underground silo on land,'' said a scientist.
In Wednesday's test, the missile took off vertically and its entire trajectory was tracked through an integrated system of radars, electro-optical tracking instruments, telemetry stations and two naval ships located close to the impact point deep in Bay of Bengal. ''With a flight duration of 485 seconds, it reached the full range and hit the target as intended,'' said the official.
The test comes at time when India is finally getting ready to gate-crash into the exclusive club of the Big Five countries -- US, Russia, China, France and UK -- which field SLBMs.
The 'K-15' is near-about ready after over a decade of hits and misses, and four tests from 'submersible pontoon launchers' in the last couple of years, for integration with the 6,000-tonne ATVs, each designed to carry 12 vertical-launched nuclear-tipped SLBMs.
India will then finally achieve its long-standing aim to have an operational nuclear weapon triad -- the capability to fire nukes from the land, air and sea.
A 700 to 750-km SLBM will, of course, still fall short of the over 5,000-km range SLBMs deployed by countries like US and Russia. But, as reported earlier, DRDO is already working on a submarine-launched version of Agni-III, which is to be followed by the Agni-V missile with a strike range of 5,000-km.
missile, which can fired from underground silos unlike the Prithvi and Agni missiles.
The surface-to-surface missile, capable of carrying a one-tonne conventional or nuclear warhead, was successfully fired from a 30 to 40-feet deep pit with an in-built canister to mimic an underground silo at about 11.25 am.
''The successful test-firing of the new state-of-the-art canisterised missile marks another milestone in the country's missile programme,'' said defence minister A K Antony.
The Prithvi (150-350-km range), Agni-I (700-km) and Agni-II (2000-km-plus) missiles already inducted into the armed forces, as also the almost-ready Agni-III (3,500-km), are all transported on special vehicles or trains. Though this gives them flexibility in deployment, it also makes them vulnerable to enemy pre-emptive strikes.
Conversely, Shaurya missiles can remain hidden or camouflaged in underground silos from enemy surveillance or satellites till they are fired from the special storage-cum-launch canisters. ''Consequently, the Shaurya system will strengthen our second-strike capabilities,'' said a top official.
Silos are the primary basing system for land-based ICBMs (intercontinental ballistic missiles, with strike ranges over 5,500-km) of countries like the US, Russia and China.
Defence scientists admit that given Shaurya's limited range at present, either the silos will have to be constructed closer to India's borders or longer-range canisterised missiles will have to be developed.
''Wednesday's test was part of the ongoing technology development work by DRDO. The Shaurya system will require some more tests before it becomes fully operational in two-three years,'' he added.
The composite canister make the missile much easier to store for long periods without maintenance as well as to handle and transport. It also houses the gas generator to eject the missile from the canister before its solid propellant motors take over to hurl it at the intended target.
Moreover, defence scientists say the high-speed, two-stage Shaurya has ''high manoeuvrability'' which also makes it ''less vulnerable'' to existing anti-missile defence systems.
The absence of submarine-launched ballistic missiles (SLBMs), the most reliable and survivable nuclear strike weapons, has long troubled the Indian defence establishment, especially since India has a ''no first-use'' nuclear doctrine.
It is, therefore, important to have nuclear-powered submarines armed with nuclear-tipped missiles, remaining quietly underwater for long periods, to deter an adversary from launching first strikes or to carry out a second-strike in retaliation.
The Shaurya project is intended to plug this gap somewhat. The Shaurya missile system has clear parallels with the under-development K-15 SLBM, as part of the overall secretive Sagarika project, with an initial 700-km strike range.
The canisterised K-15 missiles will arm the indigenous nuclear-powered submarines being built under the 26-year-old ATV (advanced technology vessel) programme at Visakhapatnam, with the first vessel slated to begin sea-trials in early 2009.
The around 10-metre long Shaurya, in turn, will be operated by the Army. ''Like Sagarika, which is fired from an underwater silo in the shape of a submarine, the Shaurya comes out from an underground silo on land,'' said a scientist.
In Wednesday's test, the missile took off vertically and its entire trajectory was tracked through an integrated system of radars, electro-optical tracking instruments, telemetry stations and two naval ships located close to the impact point deep in Bay of Bengal. ''With a flight duration of 485 seconds, it reached the full range and hit the target as intended,'' said the official.
The test comes at time when India is finally getting ready to gate-crash into the exclusive club of the Big Five countries -- US, Russia, China, France and UK -- which field SLBMs.
The 'K-15' is near-about ready after over a decade of hits and misses, and four tests from 'submersible pontoon launchers' in the last couple of years, for integration with the 6,000-tonne ATVs, each designed to carry 12 vertical-launched nuclear-tipped SLBMs.
India will then finally achieve its long-standing aim to have an operational nuclear weapon triad -- the capability to fire nukes from the land, air and sea.
A 700 to 750-km SLBM will, of course, still fall short of the over 5,000-km range SLBMs deployed by countries like US and Russia. But, as reported earlier, DRDO is already working on a submarine-launched version of Agni-III, which is to be followed by the Agni-V missile with a strike range of 5,000-km.