Europe is facing a reality it long avoided: the post–Cold War security order no longer works. Russia’s invasion of Ukraine, shifting signals from Washington, and blunt warnings from military leaders have forced the EU to rethink its defense. The urgency is new—not because war is certain, but because being unprepared is no longer acceptable.
For decades, Europe relied on diplomacy, economic ties, and U.S. protection through NATO. That model is under strain. The war in Ukraine drags on, alliances feel less guaranteed, and confidence in automatic American support has weakened. As a result, EU leaders are moving from abstract debate to practical planning—focusing on stockpiles, logistics, mobility, and response readiness.
The invasion ended the belief that large-scale war in Europe was impossible. The U.S. has made clear that Europe must shoulder more responsibility for its own defense. In response, the EU approved a €90 billion loan for Ukraine in late 2024, and Commission President Ursula von der Leyen outlined plans to strengthen deterrence by 2030.
Warnings have grown sharper. Vladimir Putin has signaled a prolonged confrontation, NATO’s Mark Rutte said Russia could threaten NATO territory within five years, and Germany’s defense minister Boris Pistorius called the summer of 2025 Europe’s “last summer of peace.”
Public readiness lags behind political action. A Euronews poll found that three-quarters of Europeans would not fight to defend EU borders, exposing a gap between planning and public willingness. Concern is highest in countries closest to Russia, such as Poland, Lithuania, and Denmark.
Eastern and Northern European states are acting fastest. Lithuania, Latvia, Estonia, Poland, Finland, and Sweden have expanded civil defense, strengthened borders, and issued public guidance. In 2025, Sweden sent its “If Crisis or War Comes” guide to every household, while online searches show citizens preparing for emergencies.
EU defense spending topped €300 billion in 2024. Initiatives like Readiness 2030 aim to move forces across borders within hours, while ReArm Europe coordinates weapons production. New funding tools, including €150 billion in joint financing, are speeding up procurement.
Europe now has a narrow window to turn awareness into real capability. Strategic complacency is over, and how quickly preparation matches rising threats will shape the continent’s security for decades.
