Washington Disappointed With London Over Iran Policy

In early March 2026, tensions between Washington and London surfaced publicly over the crisis in the Middle East particularly after the United States and Israel launched military strikes on Iran that killed Iran’s Supreme Leader, Ayatollah Ali Khamenei.

US Criticism of UK’s Initial Position

Donald Trump, the U.S. President, has expressed strong disappointment in British Prime Minister Keir Starmer over London’s initial reluctance to support the U.S. campaign against Iran.

Trump said he was “very disappointed” that Starmer did not immediately authorize the U.S. military to use British bases particularly the strategically important Diego Garcia base in the Indian Ocean for strikes on Iran.

He argued that the delay was unusual for the historically close U.S.–UK relationship, suggesting that Starmer was overly cautious about legal and strategic implications.

UK’s Response and Policy Shift
Initially, London refused to let Washington use British bases for offensive action against Iran, citing concerns about legality and national interest a stance Starmer defended in the UK Parliament.

Facing escalating Iranian missile and drone attacks in the region including a drone strike hitting a British RAF base in Cyprus the UK later permitted the U.S. to use its bases for limited “defensive” operations, such as targeting Iranian missile infrastructure.

Starmer maintained that Britain would not participate directly in offensive strikes and emphasized adherence to international law, referring to past mistakes like the Iraq War.

Broader Diplomatic Strain
The episode has fueled debate about the “special relationship” between the U.S. and the UK, with some commentators and former officials warning that the dispute could have long-term consequences.

Trump also criticized a separate policy decision involving the sovereignty of the Chagos Islands, which house the Diego Garcia base, calling the UK’s approach a strategic misstep.

Why It Matters
This dispute comes amid an unprecedented military confrontation between the U.S., Israel, and Iran that has quickly broadened into regional escalation. The public airing of disagreements between Washington and London two key NATO allies highlights tensions not just over strategy, but over legal and moral frameworks for military cooperation.

Mustapha Bature Sallama.
Medical/ Science Communicator,
Private Investigator, Criminal investigation and Intelligence Analysis.

International Conflict Management and Peace Building.USIP

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