Berlin becomes French nuclear 'co-manager'

France and Germany held the first working session of their bilateral Nuclear Steering Group on May 27 in Paris (n-tv, Deutschlandfunk). The meeting advances a nuclear deterrence framework that now spans nine European states. Not one of their parliaments has voted on the specific arrangements.

The framework traces to March 2, when President Macron announced dissuasion avancée (forward deterrence) from France's Île-Longue submarine base. France would increase its warhead stockpile for the first time since 1992 and stop disclosing its arsenal size. Chancellor Merz co-signed a declaration establishing the steering group. Over the following weeks, Poland, Norway, Finland, the Netherlands, Belgium, Greece, Sweden, Denmark, and the UK each entered the framework through separate bilateral channels.

What Germany Actually Gets

France labels Berlin's new role co-gestionnaire doctrinal — doctrinal co-manager. Operationally, this amounts to strategic dialogue about how French nuclear, conventional, and missile-defense capabilities fit together. Germany does not help plan strikes, select targets, or influence the decision to launch. That authority stays with the French president alone.

Germany's first concrete step is observer status at France's "Poker" nuclear exercise in September 2026. German jets could later provide fighter escort or aerial refueling for nuclear-armed French Rafales (n-tv). These are conventional support roles, not nuclear delivery.

Germany already has more under NATO. At Büchel Air Base, German pilots train to deliver American B61 nuclear bombs and sit in the Nuclear Planning Group (the alliance's senior body for nuclear policy). The IPG-Journal assessed the French arrangement as "less substantial," offering no "credible deterrence gain" without real planning input (IPG-Journal).

The motive is insurance. US reliability is under sustained doubt, and both capitals need a visible bilateral success. The steering group delivers one. The value is political hedging, not military capability.

Nine Democracies, No Legislative Process

The steering group was created by joint declaration under Article 4 of the Aachen Treaty (the 2019 Franco-German cooperation pact), requiring no new parliamentary ratification. Merz's security adviser Günter Sautter led the Paris session; a follow-up is planned before Germany's summer recess (Stern, Deutschlandfunk).

The same executive-only pattern holds across the framework. Poland joined French nuclear exercises after the April Gdańsk summit. Norway signed the Narvik Arrangement on May 27. Finland submitted legislation lifting its nuclear weapons hosting ban and stands alone among the nine as the only country where opposition parties have demanded a legislative process. Everywhere else, parliaments have been informed at most, consulted never.

Three EU member states — Austria, Ireland, and Malta — are legally bound by the Treaty on the Prohibition of Nuclear Weapons to oppose any form of nuclear assistance. They have no institutional channel to object within the bilateral frameworks being built around them.

Untested Legal Lines

Several questions remain unadjudicated. Whether a German tanker aircraft refueling a nuclear-armed Rafale constitutes "assistance" under the Non-Proliferation Treaty (the 1968 agreement barring non-nuclear states from acquiring or controlling nuclear weapons) has never been tested. Germany's Two-Plus-Four Treaty (the 1990 agreement that permitted reunification) prohibits German "control over" nuclear weapons. The French model is carefully designed to stay below that threshold, but the threshold itself has never been legally defined in an operational context.

By September's Poker exercise, this framework will have advanced through two rounds of bilateral talks, one observation mission, and zero parliamentary votes. The military substance is modest; Germany gets less from France than it already has from NATO. The democratic shift is larger: nine European countries are normalizing executive-only authority over nuclear participation, treating the most dangerous weapons on earth as too sensitive for legislative debate. At what point does conventional participation in nuclear operations stop being conventional?