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India Successfully Test-Fires K-4 Missile, Enhancing Nuclear Deterrence

12/25/2025

25 2 Full Breakdown

Summary

Story summary

On December 23, 2025, India test-fired the K-4 submarine-launched ballistic missile from INS Arighaat in the Bay of Bengal.
The K-4 has a 3,500 km range and can carry up to 2.5 tonnes of nuclear payload.
The test strengthens India’s sea-based nuclear deterrence, placing it among nations with a nuclear triad.
It is part of India's broader strategy to bolster defense capabilities amid a complex regional security environment.

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Story summary

On December 23, 2025, India test-fired the K-4 submarine-launched ballistic missile from INS Arighaat in the Bay of Bengal.
The K-4 has a 3,500 km range and can carry up to 2.5 tonnes of nuclear payload.
The test strengthens India’s sea-based nuclear deterrence, placing it among nations with a nuclear triad.
It is part of India's broader strategy to bolster defense capabilities amid a complex regional security environment.