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Putin Hails “Huge Success” for Nuclear-Powered Poseidon—Claims It “Outpowers” Sarmat ICBM
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![Photo of Vlad Litnarovych]( "Photo of Vlad Litnarovych")
Russian leader Vladimir Putin said that Moscow successfully tested a nuclear-powered unmanned underwater vehicle known as “Poseidon”, and claimed the system outstrips Russia’s new Sarmat ICBM in power and performance, according to the Russian media Interfax.ru on October 29.
Putin described the experiment as a “huge success” and said the trial marked the first time engineers both launched the vehicle from a submarine and brought its onboard nuclear power plant online for a sustained period.
Russia tested its nuclear-powered underwater vehicle ‘Poseidon’ yesterday — Putin
— Open Source Intel (@Osint613) October 29, 2025
He added that the Sarmat missile will be deployed soon — and that Poseidon cannot be intercepted pic.twitter.com/cKKGmlq6jy
According to Putin, the device—an autonomous, nuclear-powered underwater vehicle—demonstrated speeds and depth capabilities “unmatched in the world,” and its power “significantly exceeds” that of the Sarmat intercontinental missile.
He also asserted that no intercept method currently exists. “Yesterday we conducted another test—another promising complex. This is an unmanned underwater product, ‘Poseidon,’ also with a nuclear power unit. For the first time we not only launched it from a submarine with a booster, but also started the atomic power unit, on which the device worked for a certain time,” he said. “This is a huge success.”
With the humiliation of last week's failed "BIG SCARY SUPER WEAPON" still fresh, Putin tries AGAIN, rolling out yet ANOTHER super weapon to scare western politicians that no longer care.
— Jay in Kyiv (@JayinKyiv) October 29, 2025
Putin: "We tested Poseidon, "unlike anything in the world"pic.twitter.com/YT2ezvSIkY
Putin added that in speed and operational depth, the vehicle is unique and that similar systems are unlikely to appear globally in the near term.
“There is nothing like this in the world in terms of speeds and depths of movement; there is nothing comparable in the world and will hardly appear soon. There is no way to intercept it,” Putin claimed.
Moscow presented Poseidon as a strategic addition to its naval nuclear deterrent—an unmanned, long-range platform with a nuclear reactor that, by design, would give it near-unlimited range.
Russian authorities have previously framed the program as part of a modernization drive for the country’s strategic forces.
Putin says Russia tested its “Poseidon” torpedo yesterday
— Visegrád 24 (@visegrad24) October 29, 2025
“The power of Poseidon far exceeds that of our most advanced intercontinental missile, Sarmat. There’s nothing like it in the world,” Putin said.
Poseidon is a Russian nuclear-powered unmanned underwater vehicle,… pic.twitter.com/vJrTAZr7hV
Independent technical assessments and outside verification for Russia’s latest assertions were not provided by Moscow in the announcement, and the claims have not been independently confirmed.
Earlier, Belgian Defense Minister Theo Francken warned Moscow that any Russian strike on European cities would trigger “harsh consequences,” telling local press that an attack on Brussels would amount to a strike “in the very heart of NATO” and provoke a devastating response.
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