The United States is set to accelerate its military drawdown in Europe, surprising NATO allies with the speed of the transition. This shift aims to enhance European defense responsibilities without providing a significant transition period for member nations.
A Pentagon representative indicated that the proposed changes will be presented at the upcoming NATO conference on defense capabilities scheduled for June. The U.S. seeks to offer allies clarity and necessary information to facilitate a swift transition to a European-led defense strategy.
This approach aligns with former President Trump’s longstanding demands for European NATO members to increase their defense contributions. Since returning to office in January 2025, these principles have been reinforced in the U.S. National Security and Defense Strategies.
The rationale behind this shift is rooted in the U.S. military’s inability to engage in multiple conflicts simultaneously. As Washington’s focus pivots toward China and the Indo-Pacific region, it expects Europe to assume greater responsibility for deterring Russian aggression.
The ongoing conflict with Iran has further emphasized this strategic pivot.
In Berlin and other NATO capitals, there was an expectation for a gradual and coordinated withdrawal of U.S. forces. However, reports from Welt am Sonntag indicate that the current proposal offers no substantial grace period for European allies.
The Pentagon official noted that Trump retains the authority to act as he deems necessary in any situation. This statement underscores the unpredictability surrounding U.S. military commitments in Europe.
During a recent meeting in Brussels, U.S. senior defense policy advisor Alexander Velez-Green informed allies about plans to partially withdraw from one aspect of collective deterrence. According to Der Spiegel, this includes a potential reduction of American fighter jets by one-third.
The most significant cuts will affect NATO’s Force Model (NFM), which dictates the number of troops that can be deployed within 10 to 30 days and the number of soldiers that can be mobilized within six months, potentially up to 800,000. This model encompasses strategic bombers, long-range precision strike capabilities, naval forces, and refueling aircraft.
The partial withdrawal of U.S. troops could undermine the military foundation of NATO’s Article 5 on collective defense. This prospect is particularly concerning for Baltic nations, where NATO forces, including a German brigade stationed in Lithuania, are tasked with organizing initial resistance and buying time for reinforcements to arrive.
Reports from Welt am Sonntag suggest that doubts are already emerging within the U.S. Army in Europe regarding NATO’s capacity to fully implement regional defense plans. Further troop reductions could exacerbate these concerns.
The U.S. is expediting its military withdrawal from Europe, prompting NATO allies to prepare for a transition to greater European defense responsibilities. This shift raises concerns about the adequacy of NATO's collective defense capabilities, particularly in Eastern Europe.