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A former special forces colonel, government minister Al Carns was this week on manouevres cautioning that the UK needs to be preparing for war with Russia.

“The shadow of war is at Europe’s door again. That’s the reality. We’ve got to be prepared to prevent it,” he stated, in comments that go beyond previous warnings by his superior, the defence secretary.

“As a whole society – what is their role if we get caught in an existential crisis, and what do they need to be aware they need to do and what they can’t do, and how do we mobilise the nation to support a military endeavour?”

It was stark language from the middle-aged Scottish-born MP, who has had an exceptionally swift rise to his role of minister for the military.

Rapid Rise to Prominence

And inevitably for a politician with a history of service in the armed forces, there is conjecture about whether he is a potential future leader – as with, at various points, other military figures before him.

This time, however, some governing party MPs think there could be a genuine possibility of Carns being a contender if and when the opportunity presents itself.

One of the reasons for that is that Carns has been involved in politics for longer than it seems, as a former military adviser to multiple previous defence secretaries.

But there is also the danger of being over-promoted as a politician with a backstory colleagues think will resonate with the public – without enough consideration of whether they have the track record and political instincts to make it to the top.

Military Career and Transition

Carns was born in Aberdeen, and educated in the state system, before joining the Royal Marines in 1999 at the age of 19. He rose through the ranks and was awarded the Military Cross in 2011 “in recognition of gallant and distinguished services in Afghanistan”.

It came as a surprise when he left the armed forces after 24 years of service to stand as an MP in Birmingham Selly Oak, shortly before he was due to be promoted to brigadier.

And in a sign he was immediately identified as a talent, the prime minister appointed him as a junior veterans minister straight after the 2024 election. He was promoted later that year to the more senior role with a portfolio covering all the military.

Media Presence and Political Attacks

With a commanding presence, Carns has been an periodic spokesperson for the government, and has been an sharp partisan operator when putting pressure on rival parties over issues of national security.

He has also found time to break a world record this year along with former military colleagues by ascending the world's highest peak in under five days without acclimatising on the mountain, using xenon gas.

Ambitions and Party Skepticism

His name was floated as a possible future leader seriously around the time of a leadership election last autumn, when his supporters began canvassing colleagues about a run for the job. That did not gain traction, with the prime minister's office strongly supporting another candidate.

Since then, profiles of Carns have begun to appear in the media, with one newspaper presenting him as the “Action Man” that some were trying to stop from challenging the prime minister.

While some MPs think he could be prime ministerial timber, others think he is making himself appear overly eager when there is no vacancy at the top. There is also a apprehension about the rapid rise of a star performer from outside politics.

“There’s no evidence that being senior in the military equates to being any good at politics any more than being a top prosecutor,” says one MP. “He is completely untested.”