With the prime minister’s Churchillian claims that “the front line is here”, the public might expect a military posture that meets the drama of the moment. Yet the promised rise in defence spending – from 2.3% to 2.5% of gross domestic product by 2027 – suggests something less than full-scale mobilisation. The strategic defence review is systematic and detailed, but it remains an exercise in tightly bounded ambition. It speaks of daily cyber-attacks and undersea sabotage, but proposes no systemic institutional overhaul or acute surge in resilience. Given the developing dangers, it is surprising not to spell out a robust home-front framework.

Instead, it is a cautious budget hike in the costume of crisis – signalling emergency while deferring real commitment for military financing. The review suggests that the more ambitious spending target of 3% of GDP, still shy of Nato’s

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