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A former special forces colonel, government minister Al Carns was this week on manouevres cautioning that the UK must ready itself for war with Russia.

“The threat of conflict is at Europe’s door once more. That’s the reality. We’ve got to be prepared to deter it,” he said, in remarks that go beyond previous admonitions by his boss, the defence secretary.

“As a whole society – what is their role if we get caught in an fight for survival, 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 armed campaign?”

It was stark language from the 45-year-old Scottish-born MP, who has had an exceptionally swift rise to his role of armed forces minister.

Rapid Rise to Prominence

And inevitably for a politician with a background in the armed forces, there is conjecture about whether he is a potential future leader – as with, at various points, previous colleagues from a service background before him.

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

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

But there is also the risk of being over-promoted as a politician with a personal history colleagues think will resonate with the public – without enough thought of whether they have the experience and shrewdness to make it to the top.

Military Career and Transition

Carns was born in Aberdeen, and state educated, before joining the Royal Marines in 1999 at the age of 19. He advanced his career and was awarded the Military Cross in 2011 “for gallant and distinguished services in Afghanistan”.

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

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

Public Profile and Partisan Combat

Chiselled and confident, Carns has been an occasional media performer for the government, and has been an effective political attack dog when criticising rival parties over issues of national security.

He has also found time to set a new global benchmark this year along with former military colleagues by climbing Mount Everest in under five days without acclimating on the mountain, using xenon gas.

Ambitions and Party Skepticism

His name entered the conversation as a possible future leader seriously around the time of a deputy contest last autumn, when his supporters began sounding out MPs about a run for the job. That failed to get off the ground, 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 leadership material, others think he is making himself appear too ambitious when there is no vacancy at the top. There is also a wariness about the meteoric ascent of a high flyer from outside politics.

“It's not proven that being senior in the military equates to being any good at politics any more than being a top prosecutor,” notes one MP. “He is an unknown quantity.”