In a world on edge, where diplomacy falters and missiles fly, nuclear weapons remain the unspoken gods of global power. The law, it seems, both condemns and tolerates them. But why?
Recent U.S. airstrikes on Iranian military targets — reportedly in response to threats against American forces — reignite a sobering question: what happens if these tensions escalate into nuclear posturing?
The Legal Framework: A Tale of Two Treaties
International law does speak to nuclear disarmament. The Non-Proliferation Treaty (NPT), in force since 1970, rests on a three-pillar promise:
- Non-proliferation,
- Peaceful use of nuclear energy,
- Disarmament.
But only five countries — the U.S., UK, France, Russia, and China — are officially allowed to possess nuclear weapons under the NPT. Others, like Iran, are under strict obligations not to acquire them. In theory, the treaty promises eventual disarmament from all nuclear-armed states. In practice? Progress is almost nonexistent.
Enter the Treaty on the Prohibition of Nuclear Weapons (TPNW) — the first legally binding instrument to ban nukes entirely. It entered into force in 2021. But the nuclear powers, including the U.S., have refused to join. For them, nuclear deterrence remains a cornerstone of national security.
Iran and the U.S.: Escalation Without Limits?
The legality of recent U.S. strikes on Iran can be debated under Article 51 of the UN Charter (self-defence), but it exposes a deeper instability: how far can this tit-for-tat go before nuclear threat enters the chat?
Iran, though officially a non-nuclear state, has long been suspected of inching closer to nuclear capability. The 2015 JCPOA (Iran nuclear deal) once curbed this — until the U.S. withdrew in 2018. Since then, trust has eroded and so has international oversight.
So Why Has Disarmament Failed?
Three main reasons:
- Power Politics: Nuclear weapons are still seen as the ultimate deterrent.
- Unequal Obligations: Some countries disarm, others modernise.
- Weak Enforcement: International law lacks teeth without state cooperation.
The laws exist. The treaties are signed. But without accountability and equal pressure on all sides, disarmament remains more of a dream than a destination.
Final Word
Until the legal frameworks apply equally to all, the world will continue to live in a dangerous paradox: nuclear weapons are illegal for some, essential for others. And in the shadow of conflicts like the U.S.–Iran standoff, that legal grey zone becomes a global threat.
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