For three years, Ukraine has waged an unconventional naval campaign that fundamentally altered the balance of power in the ...

Ukraine’s domestic security service, the SBU, said Monday that it had carried out an attack on a Russian submarine in the Black Sea port of Novorossiysk, causing critical damage to the vessel and ...

Ukraine's underwater drones have broken through the long-held belief that submarines are unbeatable. On December 15, 2025, ...

Ukraine said on Monday it hit and disabled a Russian missile-carrying submarine docked at a Black Sea naval base using underwater sea drones for the first time, but Moscow denied the strike caused any ...

Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack as a first, potentially signaling a new chapter in drone warfare.

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If confirmed, Monday’s attack would be notable as it marked the first successful use of the Sub Sea Baby underwater drone against a Russian submarine. The Security Service of Ukraine (SBU) announced, ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...

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Ukraine says underwater drone strike is historic first Russia denies attack caused any damage Attack hits Kilo-class, missile-carrying submarine Vessel was in Russia's Novorossiysk port in Black Sea ...