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Europe’s five largest military powers meet ahead of key NATO summit with Ukraine in mind

Europe's Top Five Military Powers Gather Before NATO Summit Europe s five largest military powers - Europe's five largest military powers convened in Berlin

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Published June 25, 2026
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Europe’s Top Five Military Powers Gather Before NATO Summit

Europe s five largest military powers – Europe’s five largest military powers convened in Berlin on Wednesday, uniting France’s President Emmanuel Macron, the UK’s Prime Minister Keir Starmer, Italy’s Premier Giorgia Meloni, and Poland’s Prime Minister Donald Tusk. This strategic assembly, led by German Chancellor Friedrich Merz, was the first step in strengthening the E5 alliance, a coalition of Europe’s leading defense nations and key military spenders. The meeting emphasized Ukraine’s security as a central theme, setting the stage for the upcoming NATO summit in Ankara, where the continent’s defense priorities will be scrutinized.

The E5 Alliance: A New Chapter in European Defense

The E5 format, introduced in 2024, seeks to streamline coordination among Europe’s major military players. Its purpose is to amplify collective support for Ukraine, address the U.S. military’s reduced commitment to the region, and foster new defense initiatives. The summit highlighted the growing urgency for European autonomy in security matters, especially as transatlantic partnerships face strain from shifting global priorities. By uniting these five nations, the E5 aims to create a more cohesive response to challenges posed by Russia and other geopolitical threats.

With the NATO summit approaching in Ankara, the E5 meeting served as a crucial preparatory step. Macron framed the gathering as a continuation of the “Évian moment,” a period of G7 solidarity for Ukraine. He underscored the need to maintain pressure on Russia through the Coalition of the Wiling and robust security guarantees. Meanwhile, the summit also aimed to address internal divisions, ensuring European leaders could present a unified stance during the upcoming NATO discussions.

UK’s Political Uncertainty and Its Impact

Despite political turmoil in the UK, the E5 summit proceeded as planned. The recent resignation of Prime Minister Keir Starmer following Labour’s electoral setbacks has cast doubt on the nation’s commitment to defense spending and peace efforts. However, his likely successor, Andy Burnham, remains to be evaluated on their stance toward military support for Ukraine. Merz, as co-chair of the coalition, is positioning Germany to take a more central role in European defense policy, particularly if the UK’s foreign policy direction wavers.

The summit’s timing reflects the urgency of aligning European strategies amid rising tensions. As the U.S. reduces its military footprint in Europe, the E5’s focus on self-reliance becomes increasingly vital. Poland’s strategic role as a logistical hub for Ukraine’s war effort was highlighted, though recent diplomatic tensions with Kyiv have raised concerns about its reliability. Meanwhile, the E5’s broader objective is to establish a sustainable framework for long-term defense cooperation, balancing immediate needs with future security goals.

From E3 to E5: Expanding the Coalition

Previously, Macron, Starmer, and Merz had met in the E3 format with Ukraine’s President Volodymyr Zelenskyy, focusing on security guarantees and military aid. This trio, representing France, the UK, and Germany, had been central to supporting Kyiv’s defense. However, the E5’s expansion to include Italy and Poland aims to broaden the coalition’s influence and effectiveness. Poland’s inclusion underscores its critical role in the war effort, while Italy’s participation adds economic and military leverage to the alliance.

Analysts debate whether the E5’s broader scope enhances or complicates decision-making. The E3’s strength in nuclear deterrence and intelligence operations remains a point of contention, with some arguing that its narrow composition is more efficient. Yet, the E5’s unified approach could streamline consensus-building and bolster European resilience against external pressures. This shift signals a growing recognition of the need for a more inclusive and robust defense strategy in the face of escalating conflicts and evolving alliances.

As the NATO summit approaches, the E5’s discussions will shape the alliance’s response to global security challenges. The gradual withdrawal of U.S. strategic support has prompted European nations to accelerate their defense initiatives, ensuring they can act independently if needed. This meeting in Berlin not only reinforced the E5’s commitment to Ukraine but also set the tone for a more self-reliant European defense posture. The outcome of the summit will likely influence the NATO summit’s agenda, with the E5’s insights playing a pivotal role in determining the future of transatlantic cooperation.

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