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The NPT and the Origins of NATO’s Nuclear Sharing Arrangements

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Proliferation Papers
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Accroche

Russia has recently accused the United States and NATO Allies of violating the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) by arguing that NATO's nuclear sharing arrangements are not permitted under the Treaty.

Corps analyses

On the contrary, the historical record shows that the text of the NPT was crafted by the US and the USSR, in close cooperation, precisely so that NATO's arrangements would be compatible with Treaty obligations – while also constraining the ability of non-nuclear states to acquire nuclear weapons. This paper shows how the US and USSR negotiated Articles I and II – the critical parts of the NPT pertaining to nuclear weapons proliferation. The US explored multiple options and sought to balance several (sometimes conflicting) objectives during these negotiations, from managing its key bilateral relationships (particularly with the USSR and West Germany), to strengthening NATO's defensive capacity and credibility, and, finally, to preventing the further spread of nuclear weapons. Ultimately, the NPT proved successful because the final text proved satisfactory to alleviate the concerns of all parties involved – the superpowers, NATO, the Warsaw Pact and the neutral non-aligned countries.

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The NPT and the Origins of NATO’s Nuclear Sharing Arrangements

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Security Studies Center
Accroche centre

Heir to a tradition dating back to the founding of Ifri, the Security Studies Center provides public and private decision-makers as well as the general public with the keys to understanding power relations and contemporary modes of conflict as well as those to come. Through its positioning at the juncture of politics and operations, the credibility of its civil-military team and the wide distribution of its publications in French and English, the Center for Security Studies constitutes in the French landscape of think tanks a unique center of research and influence on the national and international defense debate.

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Nuclear ballistic missile submarine, in transit on the surface
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Accroche centre

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Date de publication
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Accroche

The widespread use of drones observed in Ukraine—both in terms of the scale of the fleets deployed and their omnipresence in the operations of both belligerents—appears to meet the conditions of a genuine military revolution.

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Date de publication
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Date de publication
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Accroche

Apart from North Korea, no state has conducted explosive nuclear tests in the 21st century, reflecting the emergence of a strong international norm against such testing.

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Date de publication
08 April 2025
Accroche

One thing has been clear since Donald Trump's return to the White House: the very existence of the European unification project is threatened. Unless it develops a sovereign defense policy to counter the war in Ukraine and the weakening of American security guarantees, the European Union will continue to see its internal cohesion and external attractiveness wane.

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The NPT and the Origins of NATO’s Nuclear Sharing Arrangements