Inf treaty collapse: decoding the new global arms race & strategic instability

The global security architecture has entered a volatile new phase following Russia’s decision in late 2023 to formally revoke its ratification of the Comprehensive Nuclear-Test-Ban Treaty and its subsequent announcement in 2024 to end its commitment to the 1987 Intermediate-Range Nuclear Forces (INF) Treaty. This move, which follows the United States’ withdrawal in 2019, marks the definitive end of a landmark arms control agreement and signals a dangerous acceleration in great power competition.

Russia has cited several recent US military actions as the catalyst for its decision. These include the deployment of the Typhon missile system to the Philippines in April 2024, which can launch missiles into the ranges previously banned by the INF treaty, and the repositioning of US nuclear submarines in strategic regions in 2025. These developments have effectively dismantled the trust and verification mechanisms that defined post-Cold War stability.

The Landmark INF Treaty (1987)

Signed by U.S. President Ronald Reagan and Soviet General Secretary Mikhail Gorbachev, the INF Treaty was a pivotal achievement in nuclear disarmament. Its primary mandate was the elimination of an entire class of weapons: ground-launched ballistic and cruise missiles with ranges between 500 and 5,500 kilometers.

Fun Fact: By its 1991 deadline, the INF Treaty led to the verified elimination of 2,692 missiles—1,846 by the Soviet Union and 846 by the United States. This was the first time the superpowers had agreed to destroy an entire category of nuclear weapons.

The treaty was crucial for European security, as these intermediate-range missiles could strike major European capitals in under 10 minutes, creating a high-risk “hair-trigger” environment. By removing them, the treaty significantly reduced the threat of a sudden nuclear exchange in the European theater.

The Unraveling: A New Multipolar Reality

The treaty’s collapse was not sudden. It began with years of mutual accusations. The U.S. alleged that Russia’s development of the 9M729 missile (NATO reporting name: SSC-8) violated the treaty’s range limits, leading to the American withdrawal in 2019. Russia denied the allegations and issued counter-claims regarding US missile defense systems in Europe.

However, the strategic landscape of the 21st century is fundamentally different from the bipolar world of the 1980s. A major, unaddressed factor was China’s growing arsenal of intermediate-range missiles, which was never constrained by the bilateral INF Treaty.

Analogy: The INF Treaty was like a traffic rule agreed upon by two drivers on a highway. Its collapse is not just about those two drivers abandoning the rule; it’s happening as a third, powerful driver (China) has built a fleet of vehicles unconstrained by any speed limits, forcing the original two to re-evaluate their own speed for fear of being left vulnerable.

To remember the key implications of the INF treaty’s collapse, use the following mnemonic:

Mnemonic for INF Collapse Implications: The world is now in a “RISC” environment.

• Renewed Arms Race
• Increased Global Instability
• Security Dilemma in Europe & Asia
• Collapse of Verification & Trust

Critical Policy Appraisal

Analytical Lens: UPSC Focus (Mains & Prelims)

Conceptual Basis

The foundational framework for this topic is the Intermediate-Range Nuclear Forces (INF) Treaty of 1987, a bilateral arms control agreement between the United States and the Union of Soviet Socialist Republics (USSR).

UPSC Integration: Connecting the Dots

• International Relations (GS Paper 2): This topic is central to the study of Disarmament, Arms Control, Great Power Politics, and the changing global security order. It directly impacts India’s strategic calculations regarding China and the balance of power in Asia.
• Science & Technology (GS Paper 3): It connects to developments in missile technology, including cruise vs. ballistic missiles, hypersonic weapons, and missile defense systems. The role of technology in both enabling and verifying arms control is a key theme.
• Modern World History (GS Paper 1): The INF Treaty is a direct legacy of the Cold War. Understanding its origins, success, and failure provides context for the evolution of international relations after the collapse of the Soviet Union.

Expert Analysis: Future Impact

The end of the INF Treaty is more than the death of an agreement; it is the end of an era. The future of arms control is uncertain and far more complex. Any future framework cannot be a simple bilateral pact but must be a trilateral or multilateral negotiation including China. The immediate future will likely see increased defense spending, the forward deployment of new missile systems by all major powers, and a heightened risk of regional conflicts escalating. For India, this means navigating a more heavily armed and unstable neighborhood, requiring a robust strategic deterrent and agile diplomatic engagement with all major powers.

Prelims Practice Question (MCQ)

Question: The Intermediate-Range Nuclear Forces (INF) Treaty, signed in 1987, was a landmark agreement between which two leaders? a) Jimmy Carter and Leonid Brezhnev b) Ronald Reagan and Mikhail Gorbachev c) George H.W. Bush and Boris Yeltsin d) Bill Clinton and Vladimir Putin

Answer: (b) Ronald Reagan and Mikhail Gorbachev. Explanation: The INF Treaty was signed in Washington, D.C., on December 8, 1987, by U.S. President Ronald Reagan and Soviet General Secretary Mikhail Gorbachev. It marked a major thawing of Cold War tensions and was celebrated as a historic step in nuclear disarmament.

Mains Sample Question

Question (15 Marks): The demise of the INF Treaty was inevitable in a multipolar world order. Critically analyze the reasons for the treaty’s collapse and its strategic implications for the security architecture of both Europe and the Indo-Pacific.

Mind Map Outline (Revision Structure)

• Intermediate-Range Nuclear Forces (INF) Treaty
  • Historical Context (1987)
    • Signatories: USA (Ronald Reagan) & USSR (Mikhail Gorbachev)
    • Core Mandate: Eliminate all ground-launched missiles with a range of 500-5,500 km.
    • Key Achievements:
      • Destroyed 2,692 missiles by 1991.
      • First treaty to eliminate an entire class of nuclear weapons.
      • Established on-site verification protocols.
  • The Collapse of the Treaty
    • US Withdrawal (2019):
      • Primary Reason: Alleged Russian non-compliance with the development of the 9M729 (SSC-8) missile.
    • Russia’s Final Withdrawal (2023-2024):
      • Stated Triggers:
        • US deployment of the Typhon missile system in the Philippines (2024).
        • Perceived NATO expansion and encirclement.
      • Formal Actions: Revoked ratification of CTBT (2023) and ended INF commitments (2024).
    • The “China Factor”:
      • The treaty’s bilateral nature did not constrain China’s large and growing arsenal of intermediate-range missiles (e.g., DF-26).
  • Strategic Implications of the Collapse
    • Renewed Arms Race:
      • US, Russia, and China are now openly developing and deploying previously banned or unconstrained missile systems.
      • Focus on new technologies like hypersonic weapons.
    • Erosion of Global Arms Control:
      • Weakens the foundation for other treaties like New START.
      • Loss of trust, transparency, and verification mechanisms.
    • Heightened Regional Instability:
      • Europe: Return of a Cold War-style security dilemma with short-range nuclear threats.
      • Indo-Pacific: Increased militarization and risk of conflict, with US and Chinese missile deployments creating new flashpoints.
  • Policy Analysis & Way Forward
    • Challenges:
      • Engaging China in arms control.
      • Verifying new, mobile, and dual-capable weapon systems.
      • Rebuilding trust between major powers.
    • Proposed Solutions:
      • Initiate trilateral strategic stability talks (US-Russia-China).
      • Focus on risk reduction and transparency measures.
      • Develop new verification technologies (NTM).