Strains on the US-UK “Special Relationship” Amid Trump-Era Policies

In the months after President Donald Trump’s inauguration, actions signaled a shift in the US-UK partnership. Trump entertained abandoning Washington’s de facto support for Britain in the Falklands dispute and voiced openness to a united Ireland. The administration also withdrew 12 B-1 bombers from RAF Fairford after intelligence warned of a possible Iranian drone attack. Coupled with “America first” rhetoric, these moves heightened London’s concerns about the future of the intelligence-sharing bond that underpins the alliance.

The Guardian

The “special relationship”—rooted in shared language, culture, and wartime cooperation—has traditionally featured close CIA-MI6 collaboration. During the Cold War, a common adversary kept the partnership cohesive. Recent divergences, such as differing stances on Russia’s war in Ukraine and the United States’ 2026 decision to attack Iran, have exposed fault lines.

The Guardian

Interviews by McCloskey with current and former intelligence officers reveal growing unease. British officials expressed reluctance to share sensitive Russian-related intelligence, fearing it could be passed to Moscow—a concern linked to Trump’s reported hand-over of Israeli intelligence to Russian Foreign Minister Sergei Lavrov. Some CIA officers described personality clashes with their British counterparts, noting a perception of “intimidation” stemming from differences in education and demeanor. Despite these frictions, the Five-Eyes signals-intelligence agreement—United States, United Kingdom, Canada, Australia, and New Zealand—remains formally intact.

The Guardian

Many CIA officers still view British contributions as valuable, describing the alliance as possessing “depth and flexibility” that could allow it to evolve despite leadership changes. McCloskey argues that structural changes—divergent foreign-policy priorities and the absence of an overarching adversary—are likely to lead to a modest down-shifting of intelligence exchange, though not an outright collapse.

The Guardian

• “I do think we’re at a period in the special relationship where there’s a lot more divergence between [Britain and the US],” — David McCloskey, author

The Guardian

• “A lot of the structural changes we’re seeing in the special relationship are not specific to Trump, and will outlast him,” — David McCloskey, author

The Guardian

Erosion of mutual trust could affect joint operations, from counter-terrorism to cyber-defense, and may compel both nations to reassess the scope of the Five-Eyes partnership. If British agencies curtail intelligence on Russian activities, the United States could lose a critical source of on-the-ground insight, while the UK might find itself more isolated in confronting shared threats. The trajectory outlined by McCloskey suggests a relationship that remains friendly but may no longer be “special” in the traditional sense.

The Guardian

While McCloskey cites anecdotal accounts of intelligence hesitancy, no concrete evidence shows the United States has formally withheld specific intelligence from the United Kingdom. Likewise, the extent to which Trump’s diplomatic overtures have translated into policy changes beyond the bomber withdrawal remains unclear, leaving a gap in publicly verifiable data on the operational impact of these tensions.

The Guardian