India successfuly flight-tests 4,000-km range ballistic missile Agni-IV

20 Sep 2012

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India on Wednesday successfully flight-tested a 4,000-km range nuclear capable ballistic missile, Agni-IV, from Wheeler's Island in Odisha.

This long-range missile, propelled by composite rocket motor technology, was tested for its full capability, a release by the Defence Research and Development Organisation (DRDO) said.

The Agni-IV, launched from the road mobile launcher, reached the pre-defined target in about 20 minutes, the release added.

The missile, equipped with state-of-the-art avionics, fifth generation on-board computer and with distributed architecture, has the latest features to correct and guide for inflight disturbances.

It also boasts of the most accurate ring laser gyro-based inertial navigation system (RINS), supported by highly reliable redundant micro navigation system (MINGS), ensured the missile reach the target within two digit accuracy, according to DRDO.

The re-entry heat shield withstood temperatures of more than 3,000 degree centigrade and made sure the avionics function normally with inside temperature less than 50 degree centigrade, DRDO said.

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