The British government is expected to release its ten-year Defence Investment Plan (DIP) as early as next week, with reports that the originally anticipated £18 billion budget over four years may have been trimmed to around £15 billion. Former NATO officials and the prime minister's own national security adviser have warned that the reduced figure could undermine the UK's credibility within the alliance. The plan, originally scheduled for last autumn, is now seen as a test of the government's commitment to defence amid tight public finances .

Ex-NATO deputy commander Richard Sheriff's 'soft touch' warning

According to the source article, Richard Sheriff, a former deputy supreme allied commander at NATO, cautioned that a watered-down investment plan would make Britain look like a "soft touch" to Russia, jeopardising the nation's credibility within the alliance. The warning came as the government reportedly finalised a plan that could fall short of the original £18 billion figure. Sheriff's remarks highlight the strategic risks of a perceived reduction in commitment, especially with the NATO summit in Turkey scheduled for 7 July.

The £28 billion MoD shortfall that even £15 billion may not cover

As the source reports, senior figures within the Ministry of Defence have highlighted a looming £28 billion shortfall between now and 2030, suggesting that even the reduced £15 billion may be insufficient to meet critical equipment and modernization needs. the deficit underlines a broader structural gap between the forces' requirements and available funding, a problem that has festered for years. the Treasury-MoD clash over funding allocations has been blamed for the delay of the DIP ,with cabinet secretary Antonia Romeo reportedly backing the higher spending target.

An American official's hint at strained ties with President Trump

The source notes that an American official has hinted that a significant reduction in UK defence spending would send a "negative signal" to President Donald Trump, potentially straining transatlantic defence ties. The warning comes as the UK seeks to maintain its role as a leading NATO ally, with a government spokesperson emphasizing that Britain remains the only European NATO member fully committed to the alliance's nuclear deterrent.. The timing of the DIP release, just ahead of the NATO summit, underscores the political stakes involved.

What remains unknown: the final figure and the Treasury's bottom line

Despite reports of a £15 billion figure, the government has not officially confirmed the revised budget, leaving open the question of whether more cuts could follow.. The source reports that Prime Minister Keir Starmer and Chancellor Rachel Reeves met this week to iron out details, but the exact allocation across services and projects remains unclear. Also unclear is how the government plans to bridge the £28 billion gap identified by the MoD, and whether the reduced plan will be seen as a temporary holding measure or a permanent downgrade.