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Former NATO chief targets PM Starmer, warning UK's security in 'peril'

Published by Global Banking & Finance Review

Posted on April 14, 2026

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· Last updated: April 14, 2026

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Former NATO chief targets PM Starmer, warning UK's security in 'peril'
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LONDON, April 14 (Reuters) - Britain's national security is "in peril" because of political complacency and under-investment in defence, former NATO chief George Robertson will say on Tuesday, in a

Former NATO chief accuses UK's Starmer of inadequately funding defence

Criticism of UK Defence Funding and Political Response

By Sam Tabahriti

LONDON, April 14 (Reuters) - A former NATO chief and grandee of Keir Starmer's Labour Party criticised the British prime minister on Tuesday for failing to adequately fund defence, leaving the country unsafe.

Robertson's Concerns Over Defence Investment

George Robertson, who served in the 1990s as UK defence secretary before leading NATO, told the Financial Times there was a gap between Starmer's rhetoric and action on defence, and Starmer was "not willing to make the necessary investment".

Downing Street's Rebuttal

Asked about Robertson's comments, Starmer's spokesperson told reporters Downing Street "completely" rejected the characterisation.

"It's vital to make the right decisions. The prime minister is determined to ensure the defence investment plan is fit for the threats that we face," the spokesperson said.

Strategic Defence Review and Vulnerabilities

Robertson, who helped draft a Strategic Defence Review commissioned by Starmer when Labour returned to power in 2024, later said in a lecture delivered in Salisbury, southern England, that Britain had become vulnerable to external threats.

"We are under-prepared. We are under-insured. We are under attack. We are not safe," he said.

Critique of Budget Allocations

Ahead of the lecture, the FT had reported that he was expected to call out finance minister Rachel Reeves for devoting "only 40 words" to defence in a budget speech last autumn and not mentioning it at all in an update last month.

The newspaper said he was expected to describe decisions made by "non-military experts in the Treasury" as "vandalism".

'Corrosive Complacency' and Future Defence Plans

'CORROSIVE COMPLACENCY'

Starmer has blamed underinvestment in the military on 14 years of rule by the rival Conservative Party, and has promised the largest sustained rise in defence spending since the Cold War, to reach 3% of national output in the next parliament.

Delayed Defence Investment Plan

The government has yet to publish a 10-year defence investment plan initially due before the end of last year, aimed at meeting the ambitions set out in the 2024 review co-written by Robertson.

The review called for a shift towards drones, digital warfare and data-driven combat systems reflecting lessons drawn from the war in Ukraine.

Global Conflicts as Wake-Up Calls

"The current conflict in the Middle East has to be a rude wake-up call to this country, on top of what we've already seen in Ukraine," Robertson said in his address.

"It should remind us in the United Kingdom of our vulnerabilities, and there are many, and in it is a detailed blueprint for what needs to be done," he added.

He warned that delivering such a transformation of homeland defence and deterrence would require significant funding.

Starmer's Response to Global Threats

Starmer said last week that the war in Iran must be a turning point for Britain, pledging to strengthen the economy and military to cope with a more "volatile and dangerous" world.

Political Leadership and National Security

But Robertson accused Britain's political leadership of a "corrosive complacency" towards defence, saying risks and threats were acknowledged only in words and that even a promised national conversation on defence had yet to begin.

"The cold reality of today's dangerous world is that we cannot defend Britain with an ever-expanding welfare budget," he concluded.

(Reporting by Sam Tabahriti, additional reporting by Alistair Smout.Editing by Elizabeth Piper, Peter Graff and Alistair Bell)

Key Takeaways

  • George Robertson, who co‑authored the 2024 Strategic Defence Review, rebukes Starmer for failing to back rhetoric with sufficient defence investment, describing Treasury choices as “vandalism.”
  • Starmer has vowed the largest sustained boost in UK defence spending since the Cold War—raising it from about 2.3% to 2.5% of GDP by 2027, with an ambition for 3% in the next parliament.
  • The Strategic Defence Review includes expansion in drones, cyber, submarines, munitions and AI‑enabled warfare, though critics warn implementation is gradual and funding remains a challenge for competing domestic priorities.

Frequently Asked Questions

Why does George Robertson warn that Britain's security is in peril?
George Robertson warns that Britain's security is in peril due to political complacency and under-investment in defence under Prime Minister Keir Starmer's leadership.
What criticism does Robertson make of the UK government?
Robertson criticizes the UK government for the gap between its rhetoric and action on defence, insufficient military funding, and decisions made by non-military experts.
What changes did the 2024 Strategic Defence Review recommend?
The 2024 review recommended a shift toward drones, digital warfare, and data-driven combat systems to address modern threats.
How does Keir Starmer respond to criticism about defence spending?
Keir Starmer blames previous Conservative governments for under-investment and promises the largest sustained rise in defence spending since the Cold War.
What global events influence the current UK defence strategy?
The war in Ukraine and heightened tensions in the Middle East have prompted calls for increased UK defence investment and strategic changes.

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