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.

Ukraine's underwater drones have broken through the long-held belief that submarines are unbeatable. On December 15, 2025, they struck a Russian Kilo-class submarine in a well-guarded Black Sea port.

Add Yahoo as a preferred source to see more of our stories on Google. Ukraine said Monday that it carried out an underwater drone attack on a Russian submarine in port. New satellite imagery shows ...

KYIV, Dec 15 (Reuters) - 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 ...

The U.S. Navy is expected to give General Atomics flight clearance for anti-submarine warfare operations using the MQ-9B SeaGuardian UAS.

The Ukrainian experience using naval drones to defeat the Russian Black Sea Fleet was unique. Ukraine had only surface-to-ship missiles when the war started, but eventually shifted to three new naval ...

The Japan Maritime Self-Defense Force said it is building up defense capabilities to enhance deterrence and response.

The underwater technology is cheaper and safer than using divers, says a Broads Authority report.

Forbes contributors publish independent expert analyses and insights. David Kirichenko is a journalist focusing on war and technology. UNSPECIFIED, UKRAINE - OCTOBER 17: An SBU operative controls a ...

Through the Ukraine War, the Russian Navy has lost over 20 warships, submarines, landing ships, patrol boats, and support vessels, including its flagship, the Moskva guided-missile cruiser. Last week, ...

Ukraine said Monday it carried out an underwater drone strike that critically damaged a Russian Kilo-class submarine docked in the port of Novorossiysk, marking the first known attack of its kind. The ...

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 ...