Expiry of New START Treaty

Syllabus: Effect of policies and politics of developed and developing countries on India’s interests

Background and Historical Context

  • The New Strategic Arms Reduction Treaty (New START) expired on February 5, 2026.
  • It symbolised a cooperative phase in U.S.–Soviet nuclear engagement.
  • Earlier Cold War rivalry centred on nuclear build-up and technological competition.
  • Both superpowers pursued massive weapons testing and space race dominance.

Evolution of Nuclear Arms Control

  • Cold War nuclear race led to accumulation of massive strategic arsenals.
  • By the 1980s, each side possessed over 10,000 nuclear warheads.
  • The United States held a significant numerical advantage.
  • Strategic Arms Limitation Talks (SALT) capped arsenals but did not reduce them.

START I: A Turning Point

  • START I negotiations began in 1982 amid complex geopolitical tensions.
  • The treaty was signed in July 1991 before Soviet Union’s collapse.
  • It marked the first agreement mandating actual arsenal reductions.
  • Warhead limits were reduced to 6,000 strategic weapons each.
  • Delivery systems were also proportionally curtailed.

Progress Through Successive Treaties

  • Later agreements reduced deployable warheads to 1,700–2,200 levels.
  • New START (2010) capped deployed warheads at 1,550 each.
  • These frameworks significantly cut Cold War peak stockpiles.

Geopolitical Shifts and Treaty Expiry

  • New START had a lifespan of about 15 years.
  • It was expected to evolve into more ambitious arms reductions.
  • Rising geopolitical tensions have reversed disarmament momentum.
  • Renewed imperial competition and tariff conflicts shape strategic thinking.

China Factor and Future Negotiations

  • The U.S. demands China’s inclusion in future arms control frameworks.
  • Washington resists limits if rival powers expand arsenals unchecked.

Implications for Global Non-Proliferation Regime

  • Expiry may weaken the Nuclear Non-Proliferation Treaty (NPT) framework.
  • It could also affect the Comprehensive Nuclear-Test-Ban Treaty (CTBT).
  • Existing regimes are viewed as normatively strong but structurally unequal.

Way Forward

  • Treaty expiry offers scope for broader, more equitable negotiations.
  • Future frameworks must reflect multipolar nuclear realities.

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