Across the continent, a silent transformation is underway. What began as scattered national initiatives has hardened into a coordinated effort to rebuild Europe’s capacity to fight, supply, and endure. Eastern states are training teenagers, mapping shelters, and reviving Cold War civil defence habits. Brussels is pouring billions into rail lines that can carry tanks, factories that can mass‑produce shells, and joint procurement schemes meant to erase the old patchwork of incompatible systems.

Yet beneath the numbers lies a deeper question: will societies that spent decades defining themselves against war accept the sacrifices required to deter it? Polls suggest hesitation, even as fears of Russian aggression rise. Washington’s impatience and hints of retrenchment only sharpen the stakes. Europe is no longer debating whether danger is real. It is racing to decide whether it can become a power that matches its warnings with will, before events force that choice upon it.