Ukraine says it carried out first-ever underwater drone strike on Russian submarine in Novorossiysk
Ukraine's Security Service (SBU) claimed responsibility for an underwater drone strike on a Russian Kilo-class submarine docked in Novorossiysk, Russia. The SBU stated the "Sub Sea Baby" drone critically damaged the submarine, which is equipped with Kalibr cruise missiles.

Briefing Summary
AI-generatedUkraine's Security Service (SBU) claimed responsibility for an underwater drone strike on a Russian Kilo-class submarine docked in Novorossiysk, Russia. The SBU stated the "Sub Sea Baby" drone critically damaged the submarine, which is equipped with Kalibr cruise missiles. The attack, a joint operation with the Ukrainian Navy, marks the first known underwater drone strike. The Novorossiysk base has become a refuge for Russia's fleet amid increased Ukrainian strikes on Sevastopol. While Russia denied any damage, Ukraine asserts the submarine was forced to remain in Novorossiysk due to previous Ukrainian operations. The strike occurred as Russia continues drone and missile attacks on Ukraine and as Ukrainian President Zelenskyy met with U.S. officials to discuss security guarantees.
Article analysis
Model · rule-basedKey claims
5 extractedRussia’s Black Sea Fleet denied the strike caused any damage.
The submarine was equipped with four launchers for Kalibr cruise missiles.
The Security Service of Ukraine (SBU) said its 'Sub Sea Baby' underwater drones struck a Russian submarine.
Ukraine carried out an underwater drone strike on a Russian Kilo-class submarine in Novorossiysk.
Underwater drones are the next evolution in drone warfare.