Agni (missile)

Agni-I/Agni-II/Agni-III/Agni-V Agni-II MRBM (Medium range ballistic missiles) Type Medium Range Ballistic Missile (Agni-I) Intermediate Range Ballistic Missile (Agni-II, Agni-III) Intercontinental Ballistic Missile (Agni-V) Place of origin India Service history In service (Tests) 04/11/99, 01/17/01 and 08/29/04 Production history Manufacturer Defence Research and Development Organisation (DRDO), Bharat Dynamics Limited (BDL) Unit cost 250-350 million (INR) or $ 5.6-7.9 million (USD)[1] Specifications Weight 12,000 kg (Agni-I) 16,000 kg (Agni-II) 55,000 kg (Agni-III)[2] Length 15 m (Agni-I) 20 m (Agni-II) 17 m (Agni-III)[2] Diameter 1.0 m (Agni-I, Agni-II) 2.0 m (Agni-III)[2] Warhead Strategic nuclear (15 KT to 250 KT), conventional HE-unitary, penetration, sub-munitions, incendiary or fuel air explosives Engine Single Stage (Agni-I) Two-and-half-stage (Agni-II) Two stage (Agni-III) solid propellant engine Operational range 700-800 km (Agni-I) 2000-3500 km (Agni-II) 3500-5500 km (Agni-III) 5000-6000 km (Agni-V) Flight altitude > 90 km Speed 5-6 km/s (Agni-II)[3] Guidance system Ring Laser Gyro- INS (Inertial Navigation System), optionally augmented by GPS terminal guidance with possible radar scene correlation Launch platform 8 x 8 Tatra TELAR (Transporter erector launcher) Rail Mobile Launcher

Indian missiles Anti-ballistic Prithvi Air Defence (PAD) · Advanced Air Defence (AAD) Ballistic missiles Agni I · II · III · V Prithvi I · II · III · Dhanush SRBM Shaurya SLBM Sagarika K-15 Cruise missiles BrahMos*  · Nirbhay Surface-to-air Akash · Trishul · Barak-8*  · Maitri*   Air-to-air missiles Astra BVRAAM · Novator K-100* Anti-tank missiles Nag · CLGM * Joint Venture List of Indian missiles

The Agni missile (Sanskrit: अग्नि , Agnī "Fire", cognate with Latin ignis, root of English ignite) is a family of Medium to Intercontinental range ballistic missiles developed by India under the Integrated Guided Missile Development Program. As of 2008, the Agni missile family comprises three deployed variants:

1. Agni-I short range ballistic missile, 500 – 700 km range.
2. Agni-II medium range ballistic missile, 2,000- 2,500 km range.
3. Agni-II Advanced^[4] 2,750- 3,000 km range.
4. Agni-III intermediate range ballistic missile, 3,000 - 5,500 km range.
5. There will not be an Agni-IV missile, with DRDO leapfrogging from intermediate range Agni-III to a standard ICBM possibly.
6. Agni-V intercontinental ballistic missile, 5000 – 6000 km ^[5] range (under development).

Agni-I was first tested at the Interim Test Range in Chandipur in 1989, and is capable of carrying a conventional payload of 1000 kg (2,200 lb) or a nuclear warhead. Agni missiles consist of one (short range) or two stages (intermediate range). These are rail and road mobile and powered by solid propellants.

The Agni I has a range of 700–800 km while the Agni-II has a range of 2,000–2,500 km. They are claimed to be a part of the "credible deterrence" against China and Pakistan. The Agni-II can only reach most parts of western, central and southern China. With the successful test of Agni-III which has a range of 3500 km, it falls within the reach of most major Chinese cities, including Beijing and Shanghai.

Agni-III is the third in the Agni series of missiles. Agni-III was tested on July 9, 2006 from Wheeler island off the coast of the eastern state of Orissa. After the launch, it was reported that the second stage of the rocket had failed to separate and the missile had fallen well short of its target. Agni-III was again tested on April 12, 2007, this time successfully, from the Wheeler Island off the coast of Orissa.On May 7, 2008 India again successfully test fired this missile. This was the third consecutive test; it validated the missile's operational readiness while extending the reach of India's nuclear deterrent to most high-value targets of the nation's most likely adversaries.

It has been reported that the missile's Circular Error Probable (CEP) lies in the range of 40 meters, which, if confirmed, would make the Agni-III ^[6] most accurate strategic ballistic missiles of its range class in the world.^[7] This is of special significance because a highly accurate ballistic missile increases the "kill efficiency" of the weapon; it allows Indian weapons designers to use smaller yield nuclear warheads (200 Kiloton thermonuclear or boosted fission) while increase the lethality of the strike. This permits India to deploy a much larger nuclear force using less fissile/fusion material (Plutonium/Lithium Deuteride) than other Asian nuclear powers. Older, less accurate ballistic missiles, such as those deployed by earlier nuclear powers require larger yield (1-2 Megaton) warheads to achieve the same level of lethality. It has also been reported that with smaller payloads, the Agni-II can hit strategic targets well beyond 3500 km.

In May 2008 Indian scientists announced they had developed and patented a path-breaking technology that increases the range of missiles and satellite launch vehicles by at least 40%.^[8] The enhanced range is made possible by adding a special-purpose coating of chromium based material to a rocket's blunt nose cone. The material acts as a reactive-ablative coating that forms a thin low density gaseous layer at the tip of the rocket as it approaches hypersonic speeds; this super-heated gas layer reduces drag by 47% (at mach 7-8), thereby allowing range enhancements at least 40%.^[9][10] It has been announced that this technology will be incorporated in future Agni deployments after having undergone ranging and calibration tests.

References

External links

• Bharat-Rakshak Agni strategic missile Section

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