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EUDIS, HEDI, DIANA: What's behind Three Defense Innovation Acronyms?

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Who's Who Defence Innovation Instruments
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In Europe, with Russia’s war of aggression against Ukraine showing little sign of abating, a persistent gap remains between security needs and defense spending. According to a 2006 commitment enshrined at the 2014 Wales NATO summit, the North Atlantic Treaty Organization (NATO) members should disburse no less than 2% of their national gross domestic product (GDP) on defense, out of which 20% is to be spent on equipment and research and development. In 2024, only 23 Allies out of 32 are expected to meet or exceed this target, though a significant improvement from only three in 2014. This total includes the United States (US) devoting 3.38% of its GDP to defense, constituting almost 70% of all NATO member defense spending combined. 

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Illustration représentant les mécanismes de financement de l'innovation dans le secteur de la défense.
Illustration depicting the innovation funding mechanisms in the defense sector
Created with the assistance of AI (DALL·E, OpenAI)
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EUDIS, HEDI and DIANA are three recent policy instruments meant to encourage defense innovation in Europe, and beyond. Fielded by the European Commission, the European Defence Agency (EDA) and the North Atlantic Treaty Organization (NATO), respectively, these seemingly comparable defense investment instruments underline key challenges confronting European defense

They stand for competing national visions: European supranational, intergovernmental, as well as transatlantic defense perspectives in differing and diverging combinations. 

EUDIS, HEDI and DIANA highlight the persistent gap with European defense objectives set 20 years ago, most notably the divide between stated ambitions and actual means invested.

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the North Atlantic Treaty Organization (NATO) members should disburse no less than 2% of their national gross domestic product (GDP) on defense, out of which 20% is to be spent on equipment and research and development
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EUDIS, HEDI, DIANA: What's behind Three Defense Innovation Acronyms?

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Author(s)
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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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French soldiers during an exercise in the forest
Defense Research Unit
Accroche centre

The Defense Research Unit is a program that aims at stimulating the strategic debate by dealing with subjects at the junction of the “technico-operational” and the “political-strategic”. A unique structure in France, it brings together civilian researchers and “military fellows” from each of the three armies to produce work on defense policies, the capability and strategic adaptation of armies, and foresight on tomorrow's conflicts.

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Date de publication
25 February 2026
Accroche

The Zeitenwende (historic turning point) announced by Olaf Scholz on February 27, 2022, is shifting into high gear. Financially supported by the March 2025 reform of Germany’s “debt break” and backed by a broad political and societal consensus to strengthen and modernize the Bundeswehr, Germany's military capabilities are set to rapidly increase over the coming years. Expected to assume a central role in the defense of the European continent in the context of changing transatlantic relations, Berlin’s military-political position on the continent is being radically transformed. 

Johanna MÖHRING
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Main Battle Tank: Obsolescence or Renaissance?

Date de publication
17 November 2025
Accroche

Since February 2022, Russian and Ukrainian forces combined have lost more than 5,000 battle tanks, a much higher volume than all the European armor combined. Spearhead of the Soviet doctrine from which the two belligerents came, tanks were deployed in large numbers from the first day and proved to be a prime target for UAVs that became more numerous and efficient over the months. The large number of UAV strike videos against tanks has also led a certain number of observers to conclude, once again, that armor is obsolete on a modern battlefield. This approach must, however, be nuanced by a deeper study of the losses and their origin, UAVs rarely being the sole origin of the loss itself, often caused by a combination of factors such as mines, artillery or other anti-tank weapons.

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Mapping the MilTech War: Eight Lessons from Ukraine’s Battlefield

Date de publication
12 February 2026
Accroche

This report maps out the evolution of key technologies that have emerged or developed in the last 4 years of the war in Ukraine. Its goal is to derive the lessons the North Atlantic Treaty Organization (NATO) could learn to strengthen its defensive capabilities and prepare for modern war, which is large-scale and conventional in nature.

Élie TENENBAUM Bohdan KOSTIUK Daryna-Maryna PATIUK Anastasya SHAPOCHKINA
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"Iron Swords" A Military Analysis of Israel's War in Gaza

Date de publication
02 October 2025
Accroche

On October 7, 2023, Hamas' attack, dubbed “Al-Aqsa Flood,” caused a major shock and led Israel to launch the longest war in its history. Operation “Iron Swords” was notable for its unprecedented intensity, both in terms of the massive ground forces deployed and the firepower used.

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Illustration depicting the innovation funding mechanisms in the defense sector
Created with the assistance of AI (DALL·E, OpenAI)

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EUDIS, HEDI, DIANA: What's behind Three Defense Innovation Acronyms?