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Starmer and Trump Secure Future of Diego Garcia Military Base Amid Controversy

2/4/2026, 6:40:51 AM

Agreement on Strategic Operations

British Prime Minister Sir Keir Starmer and US President Donald Trump have reached an agreement to ensure the continued operation of the UK-US military base on the Chagos Islands, specifically Diego Garcia. This commitment was confirmed by Downing Street following their recent discussions, marking the first dialogue on the matter since Trump's critical remarks about the UK's handover deal in January 2025. The leaders acknowledged the strategic importance of the base, agreeing to work closely to guarantee its future operation.

Under the terms of the deal, the UK will cede sovereignty of the British Indian Ocean Territory to Mauritius while retaining control of the Diego Garcia military installation through a 99-year lease. The projected cost of this agreement is estimated at £35 billion over the next century. Despite initial support from the Trump administration, the deal faced backlash after Trump's January comments, where he labeled the agreement an "act of great stupidity" and "total weakness."

Background and Context

The agreement to transfer sovereignty of the Chagos archipelago to Mauritius has been contentious, particularly in light of international legal opinions and geopolitical considerations. The International Court of Justice (ICJ) had previously issued an advisory opinion that challenged the UK's claim to the islands, prompting concerns about the legal implications of the deal. The UK government argues that without this agreement, Mauritius would pursue a legally binding judgment that could jeopardize the operational status of the military base.

Criticism and Opposition

Concerns regarding the deal have been voiced by various figures, including former ambassador to the US, Lord Mandelson. He expressed apprehension about the deal's cost and its legal necessity, noting a "serious wobble" within the UK government regarding public support for the agreement. Mandelson's remarks highlight the internal divisions and skepticism surrounding the deal, particularly in light of Trump's earlier criticisms.

The UK government's official stance, however, remains firm. A spokesperson emphasized the importance of the deal and dismissed claims of legal uncertainty, stating that the operational integrity of the military base was at risk without it. The spokesperson attributed any perceived "wobble" to the changes in government in both the US and Mauritius, which necessitated further scrutiny of the agreement.

Official Statements and Responses

In response to the controversy, Downing Street has reiterated the clarity of the deal's necessity. The Prime Minister's spokesman stated, "We've been crystal clear about the importance of this deal... Without a deal, we'd face serious, real-world operational impacts on the base." This sentiment underscores the UK government's commitment to maintaining the military base's operational status amid shifting geopolitical dynamics.

What's Next

As the legislation to ratify the deal progresses through Parliament, it faces ongoing scrutiny and debate. The UK government has postponed discussions in the House of Lords following an amendment that calls for a pause in light of changing geopolitical circumstances. The outcome of these deliberations will significantly impact the future of the Chagos Islands and the strategic military operations based there.