NATO foreign ministers opened two days of talks in Helsingborg, Sweden, on Thursday as the alliance faced a pivotal test of how quickly Europe can take on a larger share of its own defence while Washington prepares to narrow part of its security role on the continent.
The meeting, scheduled for 21-22 May, comes after U.S. officials signalled that the Trump administration intends to reduce the pool of American forces and military capabilities assigned to NATO’s crisis and wartime planning for Europe. The plan concerns the NATO Force Model, the framework through which allies identify forces and capabilities that could be activated in the event of a major crisis, including an attack on a member state.
Although the details of those commitments are classified, the direction of the change is clear: Washington wants European allies and Canada to provide more of the conventional defence capacity that NATO would need in a conflict, while the United States retains a role in critical capabilities and nuclear deterrence. The development marks one of the most concrete steps yet in a wider U.S. policy shift that has been discussed for months but is now moving into alliance planning.
NATO Secretary General Mark Rutte sought to contain concern before ministers gathered, saying in Brussels on Wednesday that expected U.S. force adjustments in Europe would take place “in a structured way” and would not undermine NATO defence plans. He said discussions over the level of U.S. contribution in a crisis had been under way for more than a year and reflected the fact that European allies and Canada were increasing defence expenditure.
The tone from NATO headquarters was therefore deliberately calibrated: the alliance is not presenting the U.S. move as abandonment, but as a managed rebalancing. Still, for many European governments, the practical consequences are significant. NATO’s defence architecture has long relied heavily on U.S. assets in areas such as strategic lift, satellite intelligence, command and control, missile defence, long-range strike, aerial refuelling and nuclear deterrence. Even allies with large militaries depend on American support for the speed, scale and integration required in a major war scenario.
The issue has been sharpened by recent U.S. decisions affecting forces already stationed or scheduled for deployment in Europe. Washington has announced plans to cut about 5,000 troops from Germany and has delayed the deployment of around 4,000 troops to Poland, a decision U.S. officials described as a temporary rotation adjustment. Polish officials welcomed American assurances that the delay did not mean a permanent reduction in Poland, but Warsaw also warned that Europe should not underestimate Washington’s determination to reduce its military footprint over time.
Poland is a central case because of its geography, military spending and political sensitivity. It borders Ukraine and Belarus, hosts a substantial U.S. military presence and has become one of NATO’s most active eastern-flank members since Russia’s full-scale invasion of Ukraine in 2022. Polish leaders have argued that the U.S. presence is not only a military asset but also a deterrent signal to Moscow. Any uncertainty over deployments therefore carries political weight beyond the numbers involved.
U.S. officials have insisted that the adjustment does not mean Washington is walking away from NATO. Pentagon officials have said the United States will continue to provide the nuclear umbrella that underpins alliance deterrence. NATO’s top military commander in Europe, U.S. Air Force General Alexus Grynkewich, said this week that further American reductions would happen over several years and would be matched by the growth of European capabilities. He said the process would allow the United States to reduce its presence in Europe while continuing to provide critical capabilities that allies cannot yet supply themselves.
That distinction between conventional defence and critical enabling capabilities is likely to shape the Helsingborg discussions. European allies can buy more artillery shells, air defence systems, armoured vehicles and drones, but the most difficult gaps are in the systems that allow forces to fight together across the continent. NATO planners have repeatedly warned that readiness, stockpiles, transport networks, industrial capacity and integrated command structures are as important as headline troop totals.
The foreign ministers’ meeting is formally focused on preparation for the next NATO leaders’ summit, expected in Ankara in July. But the U.S. plans are expected to frame many of the conversations around burden-sharing, defence production and long-term force commitments. The alliance is already operating under a higher spending trajectory after leaders agreed last year to raise defence-related commitments, including a target of 5% of gross domestic product by 2035 for defence and related security investments.
Rutte has argued that the shift should be understood as part of NATO becoming stronger and more balanced, not as a rupture. His message to allies has been that higher European spending must translate into deployable forces, munitions, air defence, industrial resilience and infrastructure capable of supporting rapid reinforcement. The challenge is that political commitments made at summits must move through national budgets, procurement systems and defence industries that often need years to deliver.
For Washington, the push reflects a strategic view that the United States cannot remain the principal provider of conventional defence in Europe while also preparing for challenges in the Indo-Pacific and other theatres. U.S. officials have repeatedly argued that European economies are large enough to finance a much greater share of regional defence, especially after Russia’s war in Ukraine made the threat environment unmistakable. President Donald Trump and senior officials in his administration have also criticised allies that they say relied for too long on American forces while underinvesting in their own militaries.
European governments dispute the idea that they have been inactive. Defence spending has risen sharply across the continent, particularly among eastern and northern allies. Poland has become one of NATO’s highest spenders by share of GDP. The Baltic states have pushed for accelerated air defence and ammunition production. Germany has increased military outlays after years of criticism over readiness. Nordic allies have expanded their role following Finland and Sweden’s accession to NATO, changing the alliance’s geography in the Baltic Sea and Arctic regions.
Yet European officials also acknowledge that money alone does not immediately produce combat power. The defence industrial base is still struggling to replenish ammunition stocks depleted by support for Ukraine. Procurement remains fragmented across national systems. Some European armies face personnel shortages, slow mobilisation structures and ageing equipment. The U.S. pullback discussion therefore exposes a central NATO dilemma: the political decision to rebalance burden-sharing has arrived before Europe has fully built the capability base to absorb the shift.
Russia remains the central reference point for the debate. Moscow denies any intention to attack NATO territory, but allies along the eastern flank argue that Russia’s conduct in Ukraine, its military rebuilding and its use of hybrid pressure require NATO to plan for a long period of confrontation. For those governments, U.S. reductions are acceptable only if they are coordinated, gradual and matched by credible European reinforcement.
The ministerial meeting also takes place against a broader backdrop of uncertainty over Ukraine’s future security. Ukraine is not a NATO member, but its war effort is closely linked to European defence planning. If U.S. resources for Europe are reduced, European allies may face simultaneous demands: sustaining military aid to Kyiv, rebuilding their own stockpiles, increasing readiness for NATO defence plans and expanding industrial production. Those priorities compete for budgets, skilled labour and production capacity.
Sweden’s role as host carries additional significance. Having joined NATO in 2024 after decades of military non-alignment, Sweden has become an important part of the alliance’s northern defence posture. Helsingborg, located across the Øresund from Denmark, is far from NATO’s eastern front but symbolically connected to the alliance’s new northern geography. The accession of Finland and Sweden has turned the Baltic Sea into an area surrounded largely by NATO members, increasing the strategic importance of Nordic coordination, maritime security and reinforcement routes.
Diplomatically, the meeting gives ministers an opportunity to present unity while managing internal tension. NATO operates by consensus, and public disagreement over U.S. commitments could weaken the deterrence message the alliance wants to send to Russia. At the same time, European capitals need clarity from Washington to make credible force planning decisions. If the U.S. reduces certain capabilities in the NATO Force Model, allies must know which gaps they are expected to fill, on what timeline, and with what level of remaining American support.
The most sensitive question is not simply how many U.S. troops remain in Europe, but which capabilities remain available in a crisis. Troop numbers are politically visible, yet high-end enablers often matter more for NATO’s ability to move, see, command and sustain forces. A smaller U.S. footprint could still be militarily decisive if it preserves intelligence, nuclear deterrence, strategic airlift and command capacity. Conversely, even a large troop presence would be less reassuring if key support systems were unavailable in the early stages of a conflict.
That is why the NATO Force Model has become a focal point. The model is designed to ensure that allies assign forces at varying levels of readiness for alliance defence. It is closely tied to NATO’s regional defence plans, which were adopted after Russia’s invasion of Ukraine transformed the alliance’s threat assessment. Any reduction in U.S. contributions requires planners to redistribute responsibilities among allies, test whether national pledges are realistic, and assess whether industry can supply the equipment and munitions needed for those forces.
European defence ministers and foreign ministers are likely to face growing pressure at home as well. Public support for higher defence spending varies across the continent, especially where governments are also facing pressure over energy costs, inflation, migration, debt rules and social spending. Leaders must explain why more military investment is necessary while avoiding the impression that Europe is being forced into an abrupt replacement of U.S. security guarantees. Rutte’s emphasis on a structured transition is aimed partly at that political problem.
The United States, meanwhile, is trying to preserve leverage over allies without creating a perception of a sudden vacuum. U.S. officials have said European allies should lead on conventional defence, but Washington also wants NATO to remain effective and politically cohesive. A disorderly pullback would risk undermining deterrence, alarming eastern allies and encouraging adversaries to test NATO’s resolve. A phased adjustment, by contrast, allows Washington to redirect some resources while maintaining influence over alliance planning.
For NATO, the coming weeks will test whether that balance is possible. Ministers in Helsingborg will need to move beyond broad declarations about burden-sharing and focus on practical answers: which countries will provide additional brigades, air defence units, logistics hubs, maritime forces and munitions; how fast production can expand; how European transport networks can support reinforcement; and how national procurement can be made more interoperable.
The July summit in Ankara is expected to become the next major checkpoint. By then, allies will be under pressure to show that increased spending targets are tied to concrete capability packages, not only political statements. The U.S. plan to reduce parts of its NATO crisis contribution gives that summit a sharper edge. It also makes the Helsingborg meeting more than a routine ministerial: it is part of a transition in the transatlantic security settlement that has defined European defence since the Cold War.
For now, NATO’s public line remains that the alliance is adapting rather than fracturing. Rutte has said the U.S. will remain involved and that adjustments will not weaken defence plans. European governments have largely avoided direct confrontation with Washington, stressing instead that they are already raising spending and strengthening the European pillar of NATO. But the political message behind the talks is unmistakable: Europe is being asked to prepare for a future in which American support remains vital but less automatic, less extensive and more focused on capabilities that only the United States can provide.
The outcome of that transition will depend on whether European allies can convert urgency into military capacity quickly enough. If they do, Washington’s pullback could become a managed rebalancing that leaves NATO stronger and less dependent on one member. If they do not, the alliance could face a gap between its defence plans and the forces available to execute them at the very moment European security risks remain acute.
Leave a Reply