Analysis| Britain’s Military Capabilities Are Under Maintenance
Britain is preparing for a more dangerous world.
The problem is that some of its most important military assets are currently in the repair shop.
The aircraft carrier HMS Prince of Wales has once again been forced to halt operations for repairs. At the same time, reports suggest that all five of the Royal Navy’s Astute-class attack submarines have been undergoing maintenance or repair work.
Taken separately, these may look like routine technical issues. Every modern military faces them.
Taken together, however, they tell a more revealing story.
They come at a moment when Britain is raising defence spending, warning of growing threats from Russia and urging Europe to take security more seriously. They also arrive as uncertainty grows over how far the United States will continue to underwrite European defence.
That raises a larger question.
Is the challenge simply one of spending more money? Or is Europe confronting the consequences of decades spent assuming that major war had become a thing of the past and that American protection would always be available?
The End of the Age of Reassurance
For much of the post-Cold War era, European defence policy rested on two assumptions.
The first was that large-scale war on European soil had become unlikely.
The second was that Nato, backed by overwhelming American military power, would remain capable of deterring any major threat.
Those assumptions reshaped military priorities across the continent.
Preparing for war against a peer military power was no longer the central mission. European armed forces increasingly focused on crisis management, overseas deployments and counterinsurgency operations from Afghanistan to the Middle East and Africa.
Heavy military readiness became less urgent.
Some industrial and defence capabilities were reduced. Public attention shifted elsewhere — towards healthcare, taxation, public services and living standards.
For many years, the arrangement appeared to work.
Today, both assumptions are under pressure.
War Returns to Europe
Russia’s invasion of Ukraine in 2022 brought back concepts many Europeans believed belonged to history books: deterrence, mobilisation, strategic stockpiles, military production and preparation for a prolonged conflict.
Almost overnight, governments began talking about rearmament.
In Britain, the government of Keir Starmer has pledged to raise defence spending to 2.5% of GDP by 2027, with an ambition to reach 3% later. Ministers describe the increase as the largest defence spending expansion since the end of the Cold War.
Britain’s latest Strategic Defence Review speaks openly about rebuilding capabilities that were allowed to erode over decades and shifting towards greater warfighting readiness.
Military leaders have been equally blunt.
Successive chiefs of defence staff, most recently Sir Richard Knighton, have warned that the security environment facing Britain and Europe is more dangerous than at any point in recent generations.
Yet this is precisely where the difficulty begins.
Military power cannot be rebuilt at political speed.
Warships, submarines, combat aircraft, missile systems, production lines and trained personnel take years to develop. Some take decades.
Threats do not wait.
War returned to Europe within a matter of months. Rebuilding military capability may require ten years or more.
That contradiction becomes particularly striking when all five of Britain’s Astute-class attack submarines are reportedly unavailable at the same time while London warns of growing threats in the North Atlantic and the North Sea.
Washington Is Changing the Calculation
Russia is not the only reason Europe is rethinking defence.
There is also growing uncertainty about the United States.
Trumpism, as a political movement rather than simply a presidency, has forced questions into the open that were once treated as politically uncomfortable.
Why should Washington continue carrying the largest share of Europe’s defence burden?
Why should American taxpayers shoulder enormous security costs while many European governments prioritise domestic spending?
The debate is no longer just about money.
It is increasingly about strategic priorities.
Much of Europe’s security establishment continues to see Russia as the primary threat. Influential currents within Trumpism, however, have shown greater willingness to discuss accommodation with Moscow while focusing attention on China and domestic American concerns.
Recent crises have also highlighted Europe’s dependence on decisions taken in Washington.
European governments may find themselves responding to conflicts and strategic choices made by the United States while possessing only limited influence over their direction.
The result is a question Europe has not had to confront seriously for decades:
What is the price of relying on an external power for security?
European rearmament is therefore not simply a response to Moscow.
It is also a response to the possibility that the American security umbrella may become narrower, less predictable and less reliable than it once appeared.
Europe is preparing not only for Russia.
It is preparing for a world in which it may have to carry a greater share of its own defence.
Military Capability Under Maintenance
The real story is not the aircraft carrier.
Nor is it the submarines.
The real story is that Britain, like much of Europe, is trying to adapt to a world that has changed faster than policymakers expected.
Great-power competition has returned.
War has returned to Europe.
Questions about the future of American protection have returned as well.
In this environment, recognising danger is no longer the challenge.
The challenge is building the capacity to respond.
Europe today faces not only the return of the Russian threat, but the erosion of two assumptions that shaped its strategic thinking since the 1990s: that major war had become a thing of the past, and that the United States would remain the ultimate guarantor of European security.
Seen in that light, an aircraft carrier halted for repairs or submarines sitting in maintenance docks are not merely technical setbacks.
They are symptoms of a deeper transformation.
Europe is attempting to rebuild military capabilities that were allowed to shrink for decades at precisely the moment when threats are evolving faster than militaries can prepare for them.
Britain’s military capabilities are not disappearing.
But many of them are, quite literally, under maintenance at exactly the moment Britain believes it can least afford to wait.
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