NATO in the Age of Trump: Power, Personality, and Precedent

Commentary

27 June, 2025

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NATO in the Age of Trump: Power, Personality, and Precedent

The 2025 NATO Summit in The Hague took place at a pivotal moment for the Euro-Atlantic community. Set against the backdrop of renewed geopolitical tensions in the Middle East, ongoing conflict in Ukraine, and rising concerns about long-term strategic cohesion within the alliance, the summit offered an important opportunity to reassess priorities and commitments. The presence of U.S. President Donald Trump was especially influential, shaping both the outcomes and the tone of the discussions, particularly on defense spending and transatlantic security arrangements.

 

Among the most consequential developments was the formal adoption of a new target of allocating 5% of GDP toward defense and related expenditures by 2035. This marked a substantial increase from the previous 2% guideline and appeared to reflect a convergence between longstanding American calls for greater burden-sharing and European recognition of an evolving security environment. Although framed as a collective response to persistent threats, the target also underscores ongoing disparities in capabilities and expectations among alliance members. President Trump, for his part, presented the agreement as a significant success for the United States and emphasized the importance of directing the additional resources toward military procurement, preferably through domestic production.

 

The U.S. airstrikes on Iranian nuclear facilities, conducted shortly before the summit, drew considerable attention. While President Trump characterized the operation as a decisive strategic achievement, early assessments from intelligence sources and international partners were more cautious. Differing interpretations of the operation’s effectiveness illustrated the challenges of aligning military actions with multilateral consensus. At the same time, the broader diplomatic implications of the Israel-Iran ceasefire remained unresolved, even as leaders expressed support for continued efforts to de-escalate tensions and re-engage in negotiation processes.

 

The summit also reflected the role of personal diplomacy in alliance dynamics. Remarks made by NATO Secretary General Mark Rutte, including a moment of referring to Trump as a paternal figure in negotiations, were widely interpreted as part of a broader effort to maintain constructive engagement with the United States. While such gestures may have helped to reinforce cohesion during the summit, they also raised questions about the degree to which institutional decisions are increasingly shaped by the personalities and preferences of individual leaders.

 

Ukraine’s position within NATO discussions remained highly prominent. President Volodymyr Zelensky offered a direct warning that Russia could target a NATO member state within the next five years, urging the alliance to accelerate its commitments. While NATO leaders reiterated their support for Ukraine, including increased defense assistance and industrial cooperation, the issue of formal membership remained unresolved. Diverging views, particularly from Hungary, highlighted the persistent ambivalence within the alliance over Ukraine’s future integration and the broader question of enlargement.

 

The economic dimension of the summit was not ignored either. French President Emmanuel Macron expressed concern over the potential contradiction between increased defense spending and rising trade frictions across the Atlantic. His remarks reflected a growing awareness that military commitments must be supported by stable economic foundations and mutual trust among allies. Macron’s intervention thus served as a reminder of the interdependence between strategic, political, and economic dimensions of transatlantic relations.

 

The Dutch role in hosting the summit further illustrated the importance of diplomatic symbolism. Through careful planning and a personalized approach to engagement, including high-level hospitality extended to President Trump, the Netherlands aimed to reinforce the alliance’s unity and demonstrate its continued relevance. These efforts may have contributed to the relatively smooth adoption of summit declarations, even amid underlying tensions on key policy issues.

 

In sum, the 2025 NATO Summit demonstrated that while institutional commitments can be reaffirmed and policy goals realigned, the strategic autonomy of the alliance remains contested. NATO today is adjusting to a security landscape shaped as much by institutional priorities as by the personalities steering them. Whether this transformation strengthens or destabilizes the alliance in the long term remains an open question.

 

* The Institute for Advanced International Studies (IAIS) does not take institutional positions on any issues; the views represented herein are those of the author(s) and do not necessarily reflect the views of the IAIS.