The 2026 NATO Summit opens today, 7th July, in Ankara, at a critical moment for the Alliance as Russia’s war in Ukraine, pressure on European defense systems, and the U.S. strategic pivot toward the Indo-Pacific intensify debates over transatlantic burden-sharing. The emerging “NATO 3.0” framework would shift greater responsibility for conventional defense, logistics, procurement, and regional deterrence to European allies, while the United States maintains its nuclear umbrella and broader strategic support. This rebalancing has direct implications for alliance cohesion, deterrence credibility, and energy security, as attacks on Ukraine’s grid, undersea infrastructure sabotage, cyber threats, and risks to maritime routes show that energy infrastructure is now part of the modern battlespace. 

Turkey’s role as host and as a key energy transit state linking the Black Sea, Caspian region, Eastern Mediterranean, and Europe gives the summit a practical setting to connect defence burden-sharing with the protection of critical energy infrastructure. 

Turkey’s role as host and as a key energy transit state linking the Black Sea, Caspian region, Eastern Mediterranean, and Europe gives the summit a practical setting to connect defence burden-sharing with the protection of critical energy infrastructure. 

Burden-shifting in NATO 3.0: Opportunities and risks

NATO 3.0 builds on two earlier phases of the Alliance: NATO 1.0, centered on collective defense against the Soviet Union, and the post-Cold War era, when NATO increasingly relied on U.S.-led expeditionary operations. The new framework calls for European allies to lead on conventional deterrence, including force posture, rapid deployment, industrial capacity, and procurement, while the United States reduces some of its Europe-focused conventional commitments and reallocates resources toward global priorities.

The 2025 Hague Summit already signaled this direction, with allies committing to raise defense-related spending to 5 percent of GDP by 2035, including 3.5 percent for core defense and 1.5 percent for broader security-related investments. This target reflects a recognition that conventional deterrence requires not only higher budgets but also usable capabilities: munitions stockpiles, airlift, integrated air defense, cyber capacity, logistics networks, and command structures. 

If implemented effectively, NATO 3.0 could strengthen deterrence by reducing Europe’s dependence on US conventional forces. Poland and the Baltic states have already moved faster than many Western European allies in defense spending and force modernisation. NATO’s regional defense plans and the NATO Force Model also show progress toward a more credible European contribution.

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