Intergovernmental cooperation in defence
By Claude-France Arnould et Luuk van Middelaar
Claude-France Arnould is Senior Fellow for European Defence at the Brussels Institute for Geopolitics. She was Executive Director of the European Defence Agency (2011–15), before serving as France’s Ambassador to Belgium (2015–19).
Luuk van Middelaar is the Director of the Brussels Institute for Geopolitics, which he co-founded. A historian and political theorist, his books include The Passage to Europe (2013), Alarums & Excursions (2019) and Pandemonium: Saving Europe (2021) – all available in multiple languages. Luuk was the chief speechwriter to European Council president Van Rompuy (2010–14).
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The European Defence Agency could be the engine for Europe’s rearmament.
1. Strategic autonomy: Reviving the intergovernmental lead and the European Defence Agency
The initial exclusion of defence from the European project
A cautious reintegration of defence into the EU during the 1990s
The risks posed by the weakening of intergovernmentalism and creeping communitarization
Competency confusion is risky
2. Fostering cooperation to rearm Europe and ensure strategic autonomy: the European Defence Agency
Operational requirements and capabilities to ensure Europe’s freedom of action
Proper rearmament is not just about percentage of GDP
The core responsibility of member states demands intergovernmental governance
Use the European Defence Agency’s full potential
A permanent political lead is required
Addressing the main weaknesses of EDA is within reach
Recommendations
1. Reinforce political oversight
2. Clarify the missions
3. Involve the Council
4. Cooperate with variable geometry within and beyond the EU
5. Enhance cooperation through powerful incentives
6. Enhance ownership by shareholders and stakeholders
Concluding remarks
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Full article --> https://big-europe.eu/publications/2026-04-23-intergovernmental-cooperation-in-defence
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