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India successfully test-fires 3,500-km range submarine-launched ballistic missile K-4
Why is it in news?
- India on Sunday successfully test-fired the 3,500-km range submarine-launched ballistic missile, K-4.
- The test was carried out by the Defence Research and Development Organisation (DRDO) from a submerged pontoon off the Visakhapatnam coast.
More in news
- K-4: K-4 is a nuclear capable Intermediate-range submarine-launched ballistic missile developed by Defence Research and Development Organisation to arm the Arihant-class submarines.
- INS Arihant:
(1) INS Arihant is India’s first indigenously developed nuclear powered submarine.
(2) INS Arihant has four vertical launch tubes, which can carry 12 smaller K-15 missiles or four larger K-4 missiles.
- Significance of the missile: These missiles will be the mainstay of the Arihant class of indigenous ballistic missile nuclear submarines (SSBN) and will give India the stand-off capability to launch nuclear weapons submerged in Indian waters.
- Low Circular Error Probability: The Circular Error Probability (CEP) of K-4 is much more sophisticated than Chinese missiles.
- What is CEP?
(1) The CEP determines the accuracy of a missile.
(2) The lower the CEP, the more accurate the missile is.
Source
The Hindu