Mains Answer Writing - 8 Mar, 2026

GS3

Science & Technology

15 marks

“The evolution of Intercontinental Ballistic Missiles (ICBMs) reflects changing dynamics of nuclear deterrence and strategic stability.”
Discuss in the context of the test launch of the LGM‑30G Minuteman III and the concept of the Nuclear Triad.

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Tips for your answer

Start with the concept of nuclear deterrence and the Nuclear Triad
Briefly explain how land-based ICBMs, submarine-launched missiles, and strategic bombers together ensure credible second-strike capability.
Use the example of the LGM‑30G Minuteman III to explain technological and strategic evolution
Mention features such as intercontinental range, hypersonic speed, hardened silos, and MIRV capability that enhance deterrence and readiness.
Conclude with implications for global strategic stability
Link ICBM modernization, arms control agreements like the New START Treaty, and emerging concerns about arms races and strategic balance.

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