France just fired a nuclear missile and Russia says it is now on alert
1 hour ago · 7 October 2026Share
The M45 missile. File photo. Rama · CC BY-SA 2.0 fr
France just fired a nuclear-capable missile. And Russia says it's now on alert because of it.
So here's what happened.
A day ago, France fired its newest submarine-launched missile off the coast of Brittany. It came from Le Vigilant, one of France's nuclear submarines. No warhead on board. It landed hundreds of kilometres out in the North Atlantic.
Emmanuel Macron, France's President, watched it happen from a navy frigate called the Auvergne. Afterwards he said the message had been sent loud and clear, for wherever it had to land.
France never said the word Russia.
But Russia heard it anyway.
A day after the launch, Dmitry Peskov, the Kremlin's spokesman, said Russia reads it the same way. A loud and clear message. He said Russia is now on alert, and will take all necessary measures to protect its national security at the strategic level.
So that's a French weapons test, answered by a Kremlin alert.
Peskov said something else too. He said problems should be solved through dialogue, not missile launches made for show.
So what actually got tested here? It's called the M51.3. The newest version of France's submarine missile. It only went into service a year ago, in October 2025. This launch was what's called an acceptance firing — basically, proof that the submarine still works after months of maintenance. Catherine Vautrin, France's Minister of the Armed Forces, said the test let the submarine prove its weapon system still works after months of repairs.
France's defence ministry says the test was carried out strictly within France's international commitments.
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Contains modified Copernicus Sentinel-2 data showing Morbihan in Brittany, northwestern France. File photo.European Space Agency · CC BY-SA 2.0
That's the routine version. But the timing is what gave Russia its opening.
A week before this, Vladimir Putin, Russia's President, had warned the West not to escalate things over Ukraine by threatening Kaliningrad — Russian territory sitting between Poland and Lithuania. Russia has said it would defend Kaliningrad with nuclear weapons if it had to.
And weeks before that, Macron had already warned that Russia's aggression was changing, pointing to a run of hybrid attacks the West blames on Moscow. He said those attacks would not go unanswered.
So both sides were already talking about escalation before this missile ever left the water.
And France isn't just testing for itself. Macron has a plan called forward deterrence. Countries including Belgium, Germany, Poland, Norway and the UK could temporarily host French nuclear weapons under it. France is NATO's only independent nuclear power outside the United States.
Peskov's answer to that plan was blunt. He said Europe has become obsessed with militarising the European Union, and that building its defence around confrontation with Russia is a dead end.
NATO says its exercises are no threat to Russian territory. Putin himself says Russia has no plans to attack any European country.
So each side is accusing the other of escalating.
Here's what we don't know. Who Macron's message was actually for. France never named Russia. It could just as easily have been aimed at reassuring the allies France wants to extend its nuclear umbrella to. And nobody knows what Peskov's all necessary measures actually means. More nuclear posturing? Troop movements? Something else? He didn't say.
Right now, France has fired its missile. And Russia says it's watching.
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