Can Europe defend itself without America?

A U.S. soldier from the Texas Army National Guard part of the NATO reinforcements, patrols at the Kosovo-Serbia border in Leposavic, Kosovo February 15, 2024. (Photo: Reuters)
A U.S. soldier from the Texas Army National Guard part of the NATO reinforcements, patrols at the Kosovo-Serbia border in Leposavic, Kosovo February 15, 2024. (Photo: Reuters)

Summary

  • It would need to replace military aid, a nuclear umbrella and leadership

THE DEATH of Alexei Navalny, Russia’s foremost opposition leader, in a Siberian gulag on February 16th would by itself have served as a shock to Europe. But for leaders gathered at the Munich Security Conference, an annual gathering of defence and security bigwigs, Mr Navalny’s demise was just one of several ominous developments for the continent. On February 17th Ukraine’s army, starved of American ammunition by Congress’s failure to pass a supplemental aid bill, was forced to withdraw from the eastern town of Avdiivka. That handed Vladimir Putin his first military victory in almost a year.

The deadlock in Congress reflects the baleful influence of Donald Trump, whose fierce opposition to aid for Ukraine has cowed Republicans into submission. But the spectre of Mr Trump’s return to office in November’s presidential election cast an even darker pall over Munich. A week earlier Mr Trump had boasted of telling an ally that he would not come to their defence if they fell short of NATO spending targets: “You’re delinquent? No, I would not protect you. In fact, I would encourage them to do whatever the hell they want."

The confluence of Russia’s rearmament, Ukraine’s deteriorating position and Mr Trump’s possible return to the White House has brought Europe to its most dangerous juncture in decades. European states and armies are wondering whether they must navigate this crisis without their ally of nearly 80 years. The question is not just whether America will abandon Ukraine, but whether it might abandon Europe. For Europe to fill the space left by America’s absence would require it to do much more than simply raise defence spending. It will have to reconsider the nature of military power, the role of nuclear deterrence in European security and the far-reaching political implications of military organisation and structure.

In Munich the mood was fearful and determined rather than panicked. American and European officials remain hopeful that American aid will turn up in Ukraine. On February 17th Petr Pavel, the Czech president, said that his country had “found" 800,000 shells which could be shipped to the country within weeks. In an interview with The Economist Boris Pistorius, Germany’s defence minister, insisted that European arms production was increasing “as fast as possible" and said he was “very optimistic" that Europe could plug American gaps. Others played down the dangers of Mr Trump. “We should stop moaning and whining and nagging about Trump," said Mark Rutte, the Dutch prime minister, on February 17th. “It’s up to the Americans…We have to work with whoever is on the dance floor."

Not everyone is so sanguine. If American aid were to evaporate entirely, Ukraine would probably lose, one American official tells The Economist. Mr Pistorius is correct that European arms production is rising fast; the continent should be able to produce shells at an annual rate of 1m-2m late this year, potentially outstripping America. But that may come too late for Ukraine, which by itself needs some 1.5m per year according to Rheinmetall, a European arms manufacturer. And a sense of wartime urgency is still lacking. European producers export 40% of their shell production to non-EU countries other than Ukraine; when the European Commission proposed that Ukraine should be prioritised by law, member states refused. The continent’s arms firms complain that their order books remain too thin to warrant big investments in production lines.

A Ukrainian defeat would inflict a psychological blow on the West while emboldening Mr Putin. That does not mean he could take advantage right away. “There is no immediate threat to NATO," says Admiral Rob Bauer, the head of NATO’s international military committee. Allies disagree over how long it would take Russia to reconstitute its forces to a pre-war standard, he says, and the timeline will depend on Western sanctions. Three to seven years is the range that “a lot of people talk about". But the direction of travel is clear. “We can expect that within the next decade, NATO will face a Soviet-style mass army," warned Estonia’s annual intelligence report, published on February 13th. The threat is not just a Russian invasion, but attacks and provocations which might test the limits of Article 5, NATO’s mutual-defence clause. “It cannot be ruled out that within a three- to five-year period, Russia will test Article 5 and NATO’s solidarity," warned Denmark’s defence minister, citing “new information". Some European intelligence officials reckon that even this is alarmist. But Europe’s ultimate fear is confronting such scenarios alone.

Europe has thought about such a moment for years. In 2019 Emmanuel Macron, France’s president, told this newspaper that allies needed to “reassess the reality of what NATO is in the light of the commitment of the United States." Mr Trump’s first term in office, in which he flirted with withdrawing from NATO and publicly sided with Mr Putin over his own intelligence agencies, served as a catalyst. The idea of European “strategic autonomy", once pushed only by France, was embraced by other countries. Defence spending, which began rising after Russia’s first invasion of Ukraine in 2014, has now increased dramatically. That year just three NATO allies met the target of spending 2% of GDP on defence, which was defined as the bare minimum at last year’s summit in Vilnius. This year at least 18 states, 62% of European allies, will hit it. Europe’s total defence spending will reach around $380bn—about the same as Russia’s, when adjusted for purchasing-power parity.

Paper tiger

Those numbers flatter Europe, however. Its defence spending yields disproportionately little combat power, and its armed forces are less than the sum of their parts. The continent is years away from being able to defend itself from attack by a reconstituted Russian force, which could appear as early as the late 2020s. At last year’s summit, NATO leaders approved their first comprehensive national defence plans since the cold war. Alliance officials say those plans would require increasing Europe’s existing (and unmet) targets for military capability by about a third. That would mean around 50% more defence spending than today, raising the total to 3% of GDP. Only America, Poland and Greece, the latter flattered by bloated military pensions, reach that level today.

More money is not enough. Almost all European armies are struggling to meet their recruitment targets, as is America’s. Moreover the rise in spending after 2014 delivered alarmingly little growth in combat capability. A recent paper by the International Institute of Strategic Studies, a think-tank in London, found that the number of combat battalions had barely increased since 2015 (France and Germany added just one) or had even fallen, in Britain by five. At a conference last year, an American general lamented that most European countries could field just one full-strength brigade (a formation of a few thousand troops), if that. Germany’s bold decision to deploy a full brigade to Lithuania, for instance, is likely to stretch its army severely.

Even when Europe can produce combat forces, they often lack the things needed to fight effectively and for long enough: command-and-control capabilities, such as staff officers trained to run large headquarters; intelligence, surveillance and reconnaissance, such as drones and satellites; logistics capabilities, including airlift; and ammunition to last for longer than a week or so. “The things that European militaries can do, they can do really well," says Michael Kofman, a military expert, “but they typically can’t do a lot of them, they can’t do them for very long and they’re configured for the initial period of a war that the United States would lead."

Poland is an instructive case. It is the poster boy for European rearmament. It will spend 4% of its GDP on defence this year, and splurges more than half of that money on equipment, far above NATO’s target of 20%. It is buying huge numbers of tanks, helicopters, howitzers and HIMARS rocket artillery—on the face of it, just what Europe needs. But under the previous government, says Konrad Muzyka, a defence analyst, it did so with little coherent planning and utter neglect of how to crew and sustain that equipment, with personnel numbers falling. Poland’s HIMARS launchers can fire out to 300km, but the country’s own intelligence platforms cannot see targets at that distance. It will rely on America for that.

One option would be for Europeans to pool their resources. For the past 16 years, for instance, a group of 12 European countries have jointly bought and operated a fleet of three long-range cargo aircraft—essentially a timeshare programme for airlift. In January Germany, the Netherlands, Romania and Spain agreed to jointly buy 1,000 missiles used in the Patriot air-defence system, using bulk to drive down the cost. The same approach could be taken in other areas, such as reconnaissance satellites. The difficulty lies in dividing the spoils.

Countries with large defence industries—France, Germany, Italy and Spain—often fail to agree on how contracts should be split among their national arms-makers. There is also a trade-off between plugging holes quickly and building up the continent’s own defence industry. France is irked by a recent German-led scheme, the European Sky Shield Initiative, in which 21 European countries jointly buy air-defence systems, in part because it involves buying American and Israeli launchers alongside German ones. When Olaf Scholz, Germany’s chancellor, recently called for Europe to adopt a “war economy", Benjamin Haddad, a French lawmaker in Emmanuel Macron’s Renaissance party, retorted: “It’s not by buying American equipment that we’re going to get there." European arms-makers, he argued, would hardly hire workers and build new production lines if they did not get orders.

These twin challenges—building up military capability and revitalising arms production—are formidable. Europe’s defence industry is less fragmented than many assume, says Jan Joel Andersson of the EU Institute for Security Studies in a recent paper: the continent makes fewer types of fighter jets and airborne radar planes than America, for instance. But there are inefficiencies. Countries often have different design priorities. France wants carrier-capable jets and lighter armoured vehicles; Germany prefers longer-range interceptors and heavier tanks. Europe-wide co-operation on tanks has consistently failed, writes Mr Andersson, and an ongoing Franco-German effort is in doubt.

The scale of the required changes raises broader economic, social and political questions. Germany’s military renaissance will be unaffordable without cutting other government spending or junking the country’s “debt brake", which would require constitutional change. Mr Pistorius says he is convinced that German society backs higher defence expenditures, but acknowledges that “we have to convince people that this might have an impact on other spending." Thierry Breton, the EU commissioner in charge of defence, has proposed a €100bn ($108bn) defence fund to boost production. Kaja Kallas, Estonia’s prime minister, backed by Mr Macron and other leaders, has proposed that the EU fund such defence spending with joint borrowing, as it did the recovery fund it established during the covid-19 pandemic—which remains controversial among the thriftiest member states.

Europe’s manpower shortages are driving similarly weighty discussions. In December Mr Pistorius said that “in retrospect" Germany had erred in ending compulsory national service in 2011. In January General Sir Patrick Sanders, the head of the British army, said preparing Western societies for a war footing would be a “whole-of-nation undertaking", and that Ukraine showed that “regular armies start wars; citizen armies win them". His remarks prompted a national furore over conscription, though he never used the word. Several western European countries are studying the “total defence" models of Sweden, Finland and other northern European countries, which emphasise civil defence and national preparedness.

The sum of all fears

Perhaps the hardest capability for Europe to replace is the one everyone hopes will never be needed. America is committed to using its nuclear weapons to defend European allies. That includes both its “strategic" nuclear forces, those in submarines, silos and bombers, and the smaller, shorter-range “non-strategic" B61 gravity bombs stored in bases across Europe, which can be dropped by several European air forces. Those weapons have served as the ultimate guarantee against Russian invasion. Yet an American president who declined to risk American troops to defend a European ally would hardly be likely to risk American cities in a nuclear exchange.

During Mr Trump’s first spell in office, that fear revived an old debate over how Europe might compensate for the loss of the American umbrella. Britain and France both possess nuclear weapons. But they have only 500 warheads between them, compared with America’s 5,000 and Russia’s nearly 6,000. For advocates of “minimum" deterrence, that makes little difference: they think a few hundred warheads, more than enough to wipe out Moscow and other cities, will dissuade Mr Putin from any reckless adventure. Analysts of a more macabre bent think such lopsided megatonnage, and the disproportionate damage which Britain and France would suffer, give Mr Putin an advantage.

(The Economist)
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(The Economist)

This is not merely a numerical problem. British nuclear weapons are already assigned to NATO, whose Nuclear Planning Group (NPG) shapes policy on how nuclear weapons should be used. The deterrent is operationally independent: Britain can launch as it pleases. But it depends on America for the design of its future warhead, and draws from a common pool of missiles, kept in the state of Georgia, with the country. If America were to sever all co-operation, British nuclear forces “would probably have a life expectancy measured in months rather than years", according to a bipartisan assessment published ten years ago. In contrast, France’s deterrent is entirely home-grown, but more aloof from NATO: uniquely among allies, France does not participate in the NPG, though it has long said that its arsenal, “by its existence", contributes to alliance security.

Within NATO, nuclear issues were long on the “back burner", says Admiral Bauer. That has changed in the last two years, with more and wider discussions on nuclear planning and deterrence. But NATO’s plans surely hinge on American forces; they cannot address what happens if America leaves. The question of how Britain and France might fill that gap is now percolating. On February 13th Christian Lindner, Germany’s finance minister and head of the pro-business Free Democratic Party, called in the Frankfurter Allgemeine Zeitung, a German newspaper, for a “rethink" of European nuclear arrangements. “Under what political and financial conditions would Paris and London be prepared to maintain or expand their own strategic capabilities for collective security?" he asked. “And vice versa, what contribution are we willing to make?"

Such musings have a long history. In the 1960s America and Europe pondered a “multilateral" nuclear force under joint control. Today, the idea that Britain or France would “share" the decision to use nuclear weapons is a non-starter, writes Bruno Tertrais, a French expert involved in the debate for decades, in a recent paper. Nor is France likely to join the NPG or assign its air-launched nuclear forces to NATO, he says. But one option would be for the two countries to affirm more forcefully that their deterrents would, or at least could, cover allies. In 2020 Mr Macron stated that France’s “vital interests"—the issues over which it would contemplate nuclear use—“now have a European dimension" and offered a “strategic dialogue" with allies on this topic, a position he reiterated last year.

The question is how this would be made credible. In deterrence, the crucial issue is how to make adversaries—and allies—believe that a commitment is real, rather than a cheap diplomatic gesture that would be abandoned when the stakes become apocalyptic. Mr Tertrais proposes a range of options. At the tame end, France could simply promise to consult on nuclear use with its partners, time permitting. More radically, if the American umbrella had gone entirely, France could invite European partners to participate in nuclear operations, such as providing escort aircraft for bombers, joining a task force with the eventual successor to the Charles de Gaulle aircraft-carrier, which can host nukes, or even basing a few missiles in Germany. Such options might ultimately require “a common nuclear planning mechanism", he says.

Mr Lindner’s speculations were largely dismissed by German officials who spoke to The Economist in Munich. But the nuclear question, involving as it does the deepest questions of sovereignty, identity and national survival, points to the vacuum that would be left if America abandons Europe. “There will be a European nuclear doctrine, a European deterrent, only when there are vital European interests, considered as such by the Europeans, and understood as such by others," pronounced François Mitterand, France’s president, in 1994. “We are far away from there." Today Europe is closer, but perhaps not close enough. The same doubt which drove France to develop its own nuclear forces in the 1950s—would an American president sacrifice New York for Paris?—is replicated within Europe; would Mr Macron risk Toulouse for Tallinn?

The seemingly dry question of military command and control brings such issues to the fore. NATO is a political and diplomatic body. It is also a formidable bureaucracy that spends €3.3bn annually and operates a complex network of headquarters: a Supreme Headquarters Allied Powers Europe (SHAPE) in Belgium, three big joint commands in America, the Netherlands and Italy, and a series of smaller ones below. These are the brains that would run any war with Russia. If Mr Trump withdrew from NATO overnight, Europeans would have to decide how to perform this role.

An “EU-only" option would not work, says Daniel Fiott of the Elcano Royal Institute, a Spanish think-tank. In part that is because the EU’s own military headquarters is still small, inexperienced and incapable of overseeing high-intensity war. In part it is because this would exclude Britain, Europe’s largest defence spender, as well as other non-EU NATO members such as Canada, Norway and Turkey. An alternative would be for Europeans to inherit the rump NATO structures and keep the alliance alive without America. Whatever institution was chosen, it would have to be filled with skilled officers. Officials at SHAPE acknowledge that much of the serious planning falls on just a few countries. Among Europeans, says Olivier Schmitt, a professor at the Centre for War Studies in Denmark, only “the French, the Brits and maybe the Germans on a good day can send officers able to plan operations at the division and corps level", precisely those needed in the event of a serious Russian attack.

The question of command, though, is intrinsically political. Mr Fiott doubts that EU member states could agree on a figure equivalent to the Supreme Allied Commander Europe, the alliance’s top general and, by custom, always an American. That epitomises how American dominance in Europe has suppressed intra-European disputes for decades, as captured in the cold-war ditty that NATO’s purpose was to keep “the Americans in, the Russians out and the Germans down". Sophia Besch of the Carnegie Endowment observes caustically that Europeans still defer to America on the biggest questions of European security. “My impression", she says, “is that Americans often think more strategically about EU membership for Ukraine than many Europeans." She sees little hope that Europe will bring bold new ideas to this year’s NATO summit in Washington in July, which will mark the alliance’s 75th anniversary.

Preparing for the worst

It is certainly possible that the shock to European security will be less dramatic than feared. Perhaps America will pass an aid package. Perhaps Europe will scrape together enough shells to keep Ukraine solvent. Perhaps, even if Mr Trump wins, he will keep America in NATO, claiming credit for the fact that a majority of its members—and all of those along the eastern front, and thus most in need of protection—are no longer “delinquent". Some European officials even muse that Mr Trump, who is fond of nuclear weapons, might take drastic steps such as meeting Poland’s demand to be included in nuclear-sharing arrangements. For the moment, there are still intense debates over how far Europe should hedge against American abandonment. Jens Stoltenberg, the secretary-general of NATO, has repeatedly warned that the idea is futile. “The European Union cannot defend Europe," he said on February 14th. “Eighty per cent of NATO’s defence expenditures come from non-EU NATO allies."

Advocates of European self-sufficiency retort that building up a “European pillar" within NATO serves a triple purpose. It strengthens NATO so long as America remains, shows that Europe is committed to share the burden of collective defence and, if necessary, lays the groundwork in case of a future rupture. Higher defence spending, more arms production and more combat-capable forces would be necessary even if America remained in the alliance and under the current war plans. Moreover, even the most Europhile of presidents could be forced to divert forces away from Europe if, for instance, America were to be pulled into a major war in Asia.

The difficult questions around command and control, and its implications for political leadership, are probably here to stay. In the worst case of America’s complete exit from NATO, a “messy" solution would be needed, says Mr Fiott, perhaps one that would bring Europe’s overlapping institutions into greater alignment. He suggests some radical options, such as giving the EU itself a seat on the North Atlantic Council, NATO’s main decision-making body, or even a fusion of the posts of NATO secretary-general and European Commission president. Such notions still seem otherworldly. But less so with every passing week.

© 2023, The Economist Newspaper Limited. All rights reserved.

From The Economist, published under licence. The original content can be found on www.economist.com

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