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Ukraine Claims Hack of Russia's Newest Nuclear Submarine Exposes Fleet Flaws

On July 24, 2025, Russia commissioned the K-555 Knyaz Pozharsky, a Borei-A class nuclear submarine, into active service with the Northern Fleet at Gadzhiyevo.
The submarine's construction began in December 2016 and sea trials started in 2024 before entry into service overseen by Vladimir Putin at a Severodvinsk ceremony.
Each submarine carries 16 R-30 Bulava missiles capable of up to 10 warheads each, plus 533mm torpedo tubes and is designed for stealth and enhanced undersea operations.
Ukraine's Defense Intelligence disclosed on August 3, 2025, that it obtained detailed classified documents revealing the submarine's technical, operational, and personnel information.
The leak exposes key weaknesses in the Knyaz Pozharsky and similar Borei-A submarines, potentially affecting Russia's naval nuclear deterrent and regional power projection.

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der Standard AT

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der Standard DE

Lean Left

Ukrainian Hackers Captured Secret Documents About the Latest Russian Nuclear Submarine

The captured data include crew lists, operational data and construction plans. According to the Ukrainian secret service, the weaknesses of the submarine were also revealed.

2 months ago·Vienna, Austria

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Express US

Right

Nightmare for Putin as Ukraine spies obtain intel on new nuclear submarine

Ukraine's military spy agency said that it gained access to a trove of information about the new vessel, including lists of names and ranks of crew members

2 months ago

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Eesti Rahvusringhääling

Center

Ukrainian Intelligence Obtained Data From a Russian Nuclear Submarine

The Ukrainian Military Intelligence (HUR) announced that it had obtained secret data on Russia's newest strategic nuclear submarine, the K-555 Knyaz Pozharsky.

2 months ago·Estonia

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