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K-4 Missile Test from INS Arighaat: 3,500 km SLBM

29 December 20251 min read
DEFENCE & SECURITYK-4 Missile Testfrom INS Arighaat:3,500 km SLBM29 December 2025safalsetu.com

Why in the news

India carried out a successful December 2025 trial of the K-4 submarine-launched ballistic missile (SLBM) from INS Arighaat, adding strength to its sea-based nuclear deterrent.

Key facts

  • Missile: K-4, an intermediate-range SLBM.
  • Range: about 3,500 km.
  • Platform: INS Arighaat, second nuclear-powered ballistic missile submarine (SSBN).
  • Place: Bay of Bengal, near Visakhapatnam, Andhra Pradesh.

About K-4

  • Alternate name Kalam-4, after A. P. J. Abdul Kalam, chief architect of the Integrated Guided Missile Development Programme (IGMDP).
  • Class: submarine-launched ballistic missile.

Exam angle

  • Range of K-4: about 3,500 km.
  • Submarine used: INS Arighaat (SSBN).
  • Alternate name: Kalam-4.

Test yourself

1. From which submarine was the K-4 missile test-fired in December 2025?

The test was from INS Arighaat, the second SSBN.

2. The K-4 missile is also known by what name?

It is also called Kalam-4, after A. P. J. Abdul Kalam.

3. What is the approximate range of the K-4 SLBM?

The range is about 3,500 km.

This topic is part of Daily Current Affairs 27 December 2025 (19 topics).

All topics of the dayDay quizDecember 2025

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