France and UK Conduct First Joint Airborne Nuclear Strike Drill

France and the United Kingdom conducted their first joint airborne nuclear strike exercise on October 20 and 21, 2026, over the Mediterranean, with British Royal Air Force Eurofighter Typhoon jets escorting French Rafale fighters during a simulated nuclear mission. The French Armed Forces Ministry said the exercise, called Rummy, demonstrated closer military coordination between the two countries amid concerns about European security.

The exercise involved aircraft from both nations' strategic air forces, with the Rafale jets simulating a nuclear strike while British Typhoons provided an escort, according to the French ministry. No actual nuclear weapons were used during the operation.

French and British crews departed from Saint-Dizier air base in northeastern France. French Armed Forces Chief of Staff Gen. Fabien Mandon said the mission also involved A330 MRTT tanker aircraft, highlighting the operational coordination required to conduct the joint flight.

France maintains an airborne nuclear deterrent through Rafale fighters equipped to carry nuclear-tipped cruise missiles, in addition to its submarine-based strategic forces. The United Kingdom relies on submarine-based nuclear forces and does not maintain an equivalent airborne nuclear component, according to the report.

French Armed Forces Minister Catherine Vautrin said the cooperation would strengthen the contribution of both countries' nuclear capabilities to European security.

"Having independent nuclear forces doesn't exclude coordination," French Armed Forces Minister Catherine Vautrin said.

She said coordinated capabilities could support the broader security of the alliance and contribute to stability across the Euro-Atlantic region. France has also been working with several European allies on a concept known as forward deterrence amid uncertainty over US security guarantees and concerns about Russia.

Gen. Fabien Mandon described the performance of the French and British crews as evidence of their ability to operate together. In a post on X, he said the crews demonstrated a high degree of interoperability and coordination during the mission.

The images accompanying Mandon's post showed three Eurofighter aircraft taxiing, as well as another Eurofighter beneath a protective shelter bearing the markings of the Royal Air Force's 29 Squadron.

Etienne Marcuz, a senior analyst at the Fondation pour la Recherche Stratégique, described the mission as a major change for France's strategic air forces, which have historically operated independently.

"This is a revolution for the Strategic Air Forces, which have always operated in complete autonomy since their creation in the 1960s," Etienne Marcuz, a senior analyst at the Fondation pour la Recherche Stratégique, said.

Marcuz also highlighted the participation of British aircraft in the exercise, noting the significance of their involvement in a mission associated with France's airborne nuclear deterrent.

"Quite significant," Marcuz said of the involvement of at least three British Eurofighter aircraft.

The French Armed Forces Ministry said the exercise advanced implementation of the Northwood Declaration, under which France and the UK agreed in 2025 to deepen nuclear cooperation and coordination. The declaration states that the two countries recognize there is no extreme threat to Europe that would not prompt a response from both nations.

Despite the increased coordination, the two governments retain independent control over their nuclear arsenals. The French ministry said decisions on whether to use nuclear weapons would remain separate and that both countries would consider such use only in extreme circumstances of legitimate defense.

Exercise Rummy adds a joint airborne component to French-British nuclear cooperation, while France continues to conduct its own simulated nuclear strike drills, known as Poker, on a regular basis.