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Rebooting the Entente: An Agenda for Renewed UK-France Defense Cooperation

Memos
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Briefings de l’Ifri, February 22, 2023
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The Franco-British Summit on March 10th, 2023, will mark a much-needed reset in bilateral cooperation, following years of strained relations. With a recently re-elected French president and a new British Prime minister, both sides are committed to making this summit a success and re-launching a positive agenda for bilateral cooperation. The summit, the first since Sandhurst in 2018, will focus on three key topics: migration, energy, and foreign policy. Defense cooperation will also be addressed, as it remains the cornerstone of the bilateral relationship, though it may take a less prominent part than on previous occasions.

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Corps analyses

Several concrete topics for joint work should therefore be discussed and agreed, from strategic discussions on European security frameworks to joint operational deployments and capability projects. It is crucial to ensure that the symbolic reset of the bilateral relationship at the summit leads to a realistic yet ambitious defense roadmap, with concrete commitments and deliverables.

 

  • As the Franco-British Summit approaches, defense cooperation remains the cornerstone of the bilateral relationship.
  • As the war in Ukraine continues, it increases the rationale for resuming closer UK-France defense cooperation.
  • Lessons needs to be drawn from the Lancaster House Treaties : overly ambitious and structuring plans are less likely to succeed than pragmatic, budget-conscious and ready-to-use projects.
  • The need to prepare for high-intensity warfare opens new perspectives for capability development in all domains and for operational cooperation across the globe.

 

This Briefing is part of a joint Chatham House-IFRI research project, the "Cross-Channel Strategic Dialogue", investigating prospects for UK-France defence and security cooperation.

The project is supported by Airbus Group, BAE Systems, MBDA Missile Systems, Thales Group and Rolls-Royce Defence.

 

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979-10-373-0675-3

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Rebooting the Entente: An Agenda for Renewed UK-France Defense Cooperation

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Author(s)
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Élie TENENBAUM

Élie TENENBAUM

Intitulé du poste

Director of Ifri’s Security Studies Center

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 A soldier watching a sunset on an armored infantry fighting vehicle
Security Studies Center
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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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Date de publication
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Accroche

France’s nuclear deterrent, serving first and foremost to defend France’s vital interests, also contributes to the defense of Europe. This contribution has been recognized within the North Atlantic Alliance since 1974, but remains little known. In a speech closely followed by France’s European partners and its adversaries alike, President Emmanuel Macron announced a new concept for French nuclear deterrence: “forward deterrence” (dissuasion avancée). This article aims to explain the origins of this concept, outline its main pillars, and describe the partnerships that are sought. It then discusses the relationship with the U.S. doctrine of “extended deterrence”, and finally offers some ethical considerations.

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Date de publication
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Accroche

What is the outcome of Operations Roaring Lion (RL) and Epic Fury (EF), launched by Israel and the United States against the Islamic Republic of Iran on February 28, 2026?

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Finland: The Ally Who Came in from the Cold

Date de publication
10 April 2026
Accroche

Among all European countries, Finland is perhaps the one whose strategic culture and military model have changed the least since the end of the Cold War. Built after the end of the Second World War to deter a potential new Soviet invasion, this model enabled Finland to serve as an example of European rearmament.

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How can this study be cited?

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Alice BILLON-GALLAND, Élie TENENBAUM, « Rebooting the Entente: An Agenda for Renewed UK-France Defense Cooperation », Memos, Ifri, 22 February 2023.
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Rebooting the Entente: An Agenda for Renewed UK-France Defense Cooperation