BERLIN : German Chancellor Friedrich Merz has confirmed that Germany remains legally prohibited from acquiring its own nuclear weapons but is participating in early-stage discussions with European partners on forms of joint nuclear deterrence, a move reflecting broader debates about Europe’s long-term security architecture.
Speaking in Berlin, Merz underlined that Germany is bound by two internationally binding treaties that categorically prevent it from possessing nuclear arms. At the same time, he said these legal constraints do not rule out cooperation with other European states that already maintain nuclear forces, particularly in the context of shared deterrence and collective defense planning.
According to the chancellor, such discussions are already underway but remain at an exploratory and preliminary level. He emphasized that no decisions have been taken and that Germany’s commitments under international law remain unchanged.
Legal Framework Governing Germany’s Nuclear Status
Germany’s non-nuclear status is anchored in two core international agreements that have shaped its security policy since the Cold War.
Under the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), which West Germany ratified in 1975, Germany is classified as a non-nuclear-weapon state. The treaty prohibits it from manufacturing, acquiring, or exercising control over nuclear weapons. This obligation continues to apply to the reunified German state.
In addition, the 1990 Treaty on the Final Settlement with Respect to Germany, commonly known as the Two Plus Four Treaty, reaffirmed Germany’s renunciation of nuclear, biological, and chemical weapons. The treaty, which cleared the way for German reunification, was a central condition set by the former Allied powers, including the Soviet Union, France, the United Kingdom, and the United States.
Together, these agreements prohibit Germany from owning nuclear weapons or having authority over their use.
Scope for Cooperation Without Possession
Merz noted that while these treaties ban possession and direct control, they do not explicitly forbid Germany from engaging in consultations, financial contributions, or strategic dialogue related to the nuclear forces of allied states. This distinction is at the center of the current policy discussion.
German officials and security analysts point out that participation in nuclear planning or deterrence frameworks does not necessarily amount to ownership or operational control. They argue that this leaves room for Germany to be involved in shaping a collective European deterrence posture without violating its treaty obligations.
Any such arrangement would likely preserve full command authority with the nuclear-armed states involved, ensuring compliance with international non-proliferation rules.
Potential European Partners
The discussions referenced by Merz primarily concern France and the United Kingdom, the only two European countries that possess independent nuclear arsenals. France maintains its force de frappe under national command, while the United Kingdom’s nuclear deterrent is closely integrated with NATO structures.
French President Emmanuel Macron has previously expressed openness to dialogue on giving France’s nuclear deterrent a broader European role, particularly in strategic consultations. He has also noted that any expanded framework would require participating countries to share the financial and political responsibilities associated with maintaining nuclear forces.
Germany, as Europe’s largest economy, is seen as a potential contributor in such a model, particularly in terms of funding, infrastructure support, and strategic coordination.
Relationship to NATO and the United States
Merz stressed that any European nuclear cooperation would not replace NATO’s existing deterrence arrangements but would be designed to complement them. Germany currently participates in NATO’s nuclear sharing framework, which involves non-nuclear allies contributing to planning and delivery systems while U.S. nuclear weapons remain under American control.
The renewed focus on European options comes amid ongoing debates about the future role of the United States in European security. Uncertainty surrounding U.S. policy toward NATO, particularly during the Trump administration, has prompted several European governments to consider ways to strengthen their own defense capabilities.
German officials have framed the discussions as part of a broader effort to enhance European strategic responsibility rather than a move away from transatlantic cooperation.
Current Status of the Talks
According to Merz, conversations with European partners are still at an early stage and remain informal. No concrete proposals have been finalized, and there is no indication of imminent policy changes. Any future steps would require extensive legal review, parliamentary debate, and coordination with allies.
For now, the German government maintains that its commitment to nuclear non-proliferation is firm, while discussions on European deterrence reflect evolving security concerns rather than a shift toward national nuclear ambitions.
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