Britain rattles its sabre at Russia's spy ship - but is it a hollow threat?

A fierce warning from Britain's defence secretary to Vladimir Putin to turn his spy ship away from UK waters or face the consequences was a very public attempt to deter the threat.

But unless John Healey backs his rhetoric up with a far more urgent push to rearm - and to rebuild wider national resilience - he risks his words ringing as hollow as his military.

The defence secretary on Wednesday repeated government plans to increase defence spending and work with NATO allies to bolster European security.

Instead of focusing purely on the threat, he also stressed how plans to buy weapons and build arms factories will create jobs and economic growth.

In a sign of the government's priorities, job creation is typically the top line of any Ministry of Defence press release about its latest investment in missiles, drones and warships rather than why the equipment is vital to defend the nation.

I doubt expanding employment opportunities was the motivating factor in the 1930s when the UK converted car factories into Spitfire production lines to prepare for war with Nazi Germany.

Yet communicating to the public what war readiness really means must surely be just as important today.

Mr Healey also chose this moment of national peril to attempt to score political points by criticising the previous Conservative government for hollowing out the armed forces - when the military was left in a similarly underfunded state during the last Labour government.

A report by a group of MPs, released on the same day as Mr Healey rattled his sabre at Russia, underlined the scale of the challenge the UK faces.

It accused the government of lacking a national plan to defend itself from attack.

The Defence Select Committee also warned that Mr Healey, Sir Keir Starmer and the rest of the cabinet are moving at a "glacial" pace to fix the problem and are failing to launch a "national conversation on defence and security" - something the prime minister had promised last year.

The report backed up the findings of a wargame podcast by Sky News and Tortoise that simulated what might happen if Russia launched waves of missile strikes against the UK.

The series showed how successive defence cuts since the end of the Cold War means the army, navy and air force are woefully equipped to defend the home front.

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But credible national defences also require the wider country to be prepared for war.

A set of plans setting out what must happen in the transition from peace to war was quietly shelved at the start of this century, so there no longer exists a rehearsed and resourced system to ensure local authorities, businesses and the wider population know what to do.

Mr Healey revealed that the Russian spy ship had directed a laser light presumably to dazzle pilots of a Royal Air Force reconnaissance aircraft that was tracking it.

"That Russian action is deeply dangerous," he said.

"So, my message to Russia and to Putin, is this: We see you. We know what you are doing. And if Yantar travels south this week, we are ready."

He did not spell out what this might mean but it could include attempts to block the Russian vessel's passage, or even fire warning shots to force it to retreat.

However, any direct engagement could trigger a retaliation from Moscow.

For now, the Russian ship - fitted with spying equipment to monitor critical national infrastructure such as communications cables on the seabed - has moved away from the UK coast. It was at its closest between 5 and 11 November.

The military is still tracking its movements closely in case the ship returns.

(c) Sky News 2025: Britain rattles its sabre at Russia's spy ship - but is it a hollow threat?