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The «lobster war»: when sovereignty is at stake on the continental shelf

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In 1961, a dispute between fishermen off the Brazilian coast escalated into a major diplomatic and military crisis between Paris and Brasília. At the heart of the...
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Mathilde Velliet : « Ce qui tirait les États-Unis vers l’ouverture les pousse désormais vers la fermeture »

Mathilde Velliet: «The very forces that were driving the United States towards openness are now pushing it towards isolation»

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Winner of the 2026 IHEDN Thesis Prize, IFRI researcher Mathilde Velliet demonstrates how, in the field of strategic technologies, the United States has...
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14 July 2026: a symbol of unity and a showcase for Europe’s strategic reawakening

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With this year’s National Day parade centred on the continent’s strategic autonomy, it will highlight the national security continuum,...
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Photo du roi d'Espagne et de Emmanuel Macron

The Treaty of Barcelona: the Franco-Spanish axis at the heart of European sovereignty

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Image d'une restitution de travail de comité

Committee reports from the national session: coercive diplomacy, industrial sovereignty, advanced nuclear deterrence…

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Whilst the 5e The IHEDN’s national session has just concluded; we are providing summaries of the work carried out by the auditors’ committee during its...
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Lundi de L'ihedn : Eurosatory : qu'est-ce que la « supériorité multi-domaine » ?

Eurosatory 2026: what is «multi-domain superiority»?

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This week, the world’s leading defence and land and air-land security exhibition is taking place near Paris. For the 2026 edition,...
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