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Rethinking European Nuclear Deterrence : Toward a Paris-for-Berlin Framework

New Delhi (ABC Live): European Nuclear Deterrence : A persistent question in European security is whether the United States would truly risk New York to save Paris. But this framing may now be outdated. Given today's strategic realities, the time has come to explore a different model of nuclear deterrence for Europe -- one rooted not in transatlantic guarantees but in intra-European solidarity. In this context, the idea of "Paris-for-Berlin" offers a geographically credible and politically sustainable alternative. Nuclear responsibility in Europe currently rests with France and the United Kingdom, possessing an estimated 290 and 225 warheads, respectively (Federation of American Scientists, 2024). These nations represent NATO's only European nuclear powers. The UK participates in NATO's Nuclear Planning Group (NPG), while France maintains an independent posture. Yet both have expressed varying degrees of openness to deeper European cooperation. President Macron's 2024 address at the Swedish Defence University emphasized that French vital interests have a European dimension (Elysée Palace, 2024). This echoes President Chirac's 1995 proposal for "concerted deterrence." France's past reintegration into NATO's command in 2009 demonstrates institutional flexibility -- and suggests that closer nuclear consultation within Europe is not unthinkable. Moreover, public confidence in the U.S. has waned. A 2023 YouGov poll found only 42% of Europeans believe the U.S. would reliably defend NATO allies, down from 60% in 2020. This skepticism fuels calls for Europe to establish its own credible and adaptive deterrent posture. A formal European nuclear umbrella does not currently exist. However, strategic cooperation between France and the UK could evolve into a new doctrine of extended deterrence within Europe. France deploys four Triomphant-class nuclear submarines and air-launched ASMP-A cruise missiles via Rafale jets (Ministère des Armées). The UK's Trident system on Vanguard-class submarines is being modernized, with Dreadnought-class subs expected in the 2030s (UK Ministry of Defence). Recent investments point toward this trajectory. France is developing the ASN4G hypersonic missile to replace the ASMP-A by 2035 (Air & Cosmos). Meanwhile, the UK is acquiring nuclear-capable F-35A jets, restoring air-based nuclear delivery for the first time since the Cold War (Business Insider, 2025). These efforts signify a continental readiness to adapt to emerging threats. A shared European framework for extended deterrence -- through joint military drills, nuclear sharing mechanisms, or a European consultation group -- could reinforce collective credibility. The psychological distance in "New York-for-Paris" deterrence is far greater than in "Paris-for-Berlin" or "London-for-Warsaw," where proximity makes commitments more tangible. Europe's dense geography means that nuclear aggression against one state would have transnational consequences. A 2023 IISS report found that fallout from a tactical nuclear weapon in Central Europe could contaminate at least eight countries within 72 hours, depending on atmospheric conditions. This geographic proximity strengthens the logic for a regional deterrence model. In a 2023 Eurobarometer survey, 71% of EU citizens supported increased defense integration. While political and doctrinal differences persist, European publics increasingly favor collective solutions. Furthermore, limited nuclear war in Europe is strategically suicidal. Any use of nuclear weapons on the continent risks uncontrollable escalation. Thus, a European doctrine must reject nuclear warfighting in favor of overwhelming retaliation as a deterrent. Critics note that neither France nor the UK possesses a full nuclear triad or the sheer volume of the U.S. arsenal. But deterrence is about assured retaliation, not symmetry. North Korea and China have far smaller arsenals yet deter major powers through credible signaling. France maintains at least one nuclear submarine on patrol at all times; the UK does the same. These at-sea capabilities ensure survivability and second-strike assurance (ICAN UK). The deployment of U.S. B61-12 bombs across Europe -- currently hosted in five NATO states -- adds symbolic value but limited strategic utility, according to RAND and former U.S. officials like General James Cartwright. Survivability matters more than scale. Europe's focus should be on modernizing delivery systems and ensuring strategic ambiguity rather than matching the U.S. warhead-for-warhead. The combined British and French stockpile exceeds 500 warheads -- sufficient to deter any adversary with vulnerable centers of gravity. While nuclear strategy garners attention, Europe's first defense priority should be bolstering its conventional posture. NATO's 2024 Defence Expenditure Report shows European allies increased their collective defense budgets to $370 billion -- a 10% rise from 2023. Germany is acquiring the Arrow 3 missile defense system; France is expanding its SCALP missile long-range strike capabilities. These assets offer non-nuclear means of degrading enemy capabilities and provide flexible responses in crisis scenarios. In the likely event of a Russian hybrid attack, Europe must rely on conventional deep-strike capabilities to counter aggression before it escalates. Lower-yield nuclear weapons are unlikely to be used in early phases of conflict, making conventional deterrence all the more essential. Europe cannot afford to base its future solely on American nuclear assurances. While NATO remains vital, the continent must assume greater responsibility for its own security. A "Paris-for-Berlin" model reflects Europe's political geography and collective identity more accurately than "New York-for-Paris." This does not mean duplicating the U.S. arsenal or abandoning NATO's nuclear framework. Rather, it means integrating existing British and French capabilities into a European deterrence posture that is credible, connected, and resilient. The paradox of deterrence is that it aims to prevent what it prepares for. In Europe's case, preventing nuclear war requires building an indigenous system that combines strategic logic with political will. With rising threats and shifting alliances, now is the time for Europe to redefine its nuclear doctrine -- before events redefine it for us.

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