US Troop Pullback in Eastern Europe Raises NATO Allied Security Concerns
US Troop Withdrawals and Their Impact on NATO and Global Security
By Peter Apps
Recent US Troop Movements in Eastern Europe
July 17 (Reuters) - As Estonia's Defence Minister Hanno Pevkur prepared to fly to the NATO summit in Ankara this month, he revealed to local journalists that several hundred U.S. troops deployed to his Baltic nation in the winter had quietly been withdrawn – with no clear sign of when or whether they might return.
At the Ankara gathering itself, delegates from the Baltic states and Poland proudly wore badges proclaiming themselves members of the "five percent club", the only nations in the NATO alliance to have already reached the spending target set at last year's meeting in The Hague – a status they had believed until recently would secure them lasting U.S. military backing.
Despite some of the most outspoken behaviour yet by U.S. President Donald Trump at a major international gathering, NATO officials including Secretary General Mark Rutte claimed it as a victory, pointing to a string of new defence deals, increases in European spending and an "ironclad" commitment to mutual assistance.
However, many of those commitments – including a nine-nation defence bank led by Canada and a long-range strike missile consortium worth $50 billion and involving a dozen countries - will take years to deliver.
In public, even Trump-sceptic leaders such as Canadian Prime Minister Mark Carney praised the U.S. president for putting pressure on NATO members to increase their spending.
Security Concerns Amid Troop Reductions
Meanwhile, what is actually happening on the ground this summer is that the U.S. has now pulled back its forces from some of the most vulnerable areas in Eastern Europe just as worries grow that a Kremlin increasingly publicly humiliated by Ukraine’s long-range drone and missile strikes deep into Russian territory might be tempted to lash out.
Analysis of European headlines by AI monitoring and predictive data firm Omniforecaster suggests an 18% chance of a lethal clash between Russia and NATO member states by the end of 2026. That points to an environment risky enough to have governments taking notice – particularly with Washington quietly cutting back its troop numbers.
Expert Opinions on Escalation Risks
Speaking at the annual Chatham House conference last week, former UK Armed Forces Minister Al Carns suggested the strategic situation was the riskiest since the Cuban missile crisis in 1962.
Still, for now, most analysts and officials believe Russia is more likely to continue its "hybrid warfare" campaign of disruption and sabotage rather than direct military action.
Broader Implications for US Global Military Posture
Middle East Troop Movements
The risk of messy escalation, however, is not limited to Europe. The U.S. now looks as enmeshed as ever in conflict in the Gulf, with Trump suggesting in Ankara he might further step up strikes against Iran’s essential infrastructure – much to the alarm of Washington's allies in the Gulf who fear they may take the brunt of Tehran’s retaliation.
In the Middle East, the U.S. began withdrawing personnel from forward bases in mid-January as a precaution amid rising tensions with Iran. Most observers doubt the U.S. will ever again keep significant numbers of non-air defence personnel or equipment in countries such as Qatar or Kuwait, building on a complete withdrawal from Syria and pullback from Iraq.
In some cases, functions have been pulled back to the U.S. – including most of the coordination work by the Coalition Air Operations Centre (CAOC) at Qatar’s Al Udeid air base. In other cases the U.S. would now rather base aircraft and drones in perceived safer locations, including Jordan, Israel and Turkey – as well as mainland Europe.
Uncertainty Among NATO Allies
UNCERTAINTY AND NERVES
Decision-making in Washington is sufficiently restricted to Trump and his inner circle that most foreign officials believe any further such decisions may be made with little warning.
As recently as May, Estonia's Pevkur had been reassuring local media that "U.S. forces are in Estonia and will remain there", although he acknowledged that "nothing can be ruled out", given recent uncertainties when it came to U.S. policies.
Now he said the number of U.S. forces had dropped to below 100 personnel, barely a sixth of their level last winter when a detachment of U.S. tanks was based in southern Estonia.
Top U.S. commanders in Europe had told him another detachment should arrive later in the summer, he said – but this might well be subject to an ongoing review.
Impact on Baltic and Polish Security
According to Baltic, Polish and U.S. defence officials, those Baltic withdrawals came as a direct consequence of the Trump administration’s unexpected decision last month to cancel a long-planned movement of some 5,000 troops to Poland.
That decision surprised the government in Warsaw and many of the troops themselves – some were literally just about to board flights to Europe.
The cancellation of the rotation then had a knock-on effect on the movement of some of those soldiers through the Baltic states, with another 1,000 troops reportedly leaving Lithuania in June without being replaced.
Strategic Shifts and Future Outlook
US Defense Strategy and NATO Responsibilities
Both Defense Secretary Pete Hegseth and Pentagon policy chief Elbridge Colby have spoken repeatedly of the importance of prioritising confronting a rising China, pushing a "NATO 3.0", in which Europe does much more to defend itself.
But in the Pacific, too, the dynamics are shifting, with most traditional U.S. allies, including Japan, Australia, South Korea, Taiwan and the Philippines, increasingly nervous that the much longer-term trajectory in that region may be towards at least a partial U.S. pullback.
Speculation on US Motives
Some Ukrainian commentators have suggested the U.S. pullback from the Baltic states might be aimed at placating Russia: some pro-Kremlin voices and occasionally President Vladimir Putin himself have suggested that U.S. or wider NATO troop withdrawals from Eastern Europe should be part of any peace deal in Ukraine.
Basing Questions
BASING QUESTIONS
But there is another potential parallel explanat
