Across the EU, the mood has shifted from denial to uneasy urgency. Russia’s war in Ukraine, harsher rhetoric from Moscow, and a colder, more transactional America have forced Europe to confront a question it long avoided: can it defend itself if the worst happens? Eastern states are behaving as if the answer is no. They are mapping shelters, mailing war guides, restoring wetlands as defensive obstacles, teaching teenagers how to handle crises—and, in some cases, firearms.

Brussels is scrambling to catch up at scale. Readiness 2030 aims to move troops across borders in hours, not days, while ReArm Europe tries to weld 27 fragmented defence systems into one industrial engine. Money is finally flowing, but factories, legal frameworks, and public opinion all lag behind. Europe has stopped asking whether danger is real. Its fate now depends on whether it can move faster than the threats closing in.