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Full Breakdown

Ukraine Claims Historic Underwater Drone Strike on Russian Submarine

12/16/2025, 11:41:12 PM

Overview of the Incident

On December 15, 2025, Ukraine's Security Service (SBU) announced it had successfully executed an underwater drone strike against a Russian Kilo-class submarine docked at the naval base in Novorossiysk. This operation, utilizing a newly developed underwater drone known as the "Sub Sea Baby," is claimed to be the first of its kind, marking a significant advancement in Ukraine's naval warfare capabilities.

Details of the Attack

The SBU reported that the strike rendered the submarine inoperable, as it was equipped with four Kalibr cruise missile launchers, which have been used in attacks against Ukrainian cities. The operation was a collaborative effort between the SBU's Military Counterintelligence and the Ukrainian Navy. Video footage released by the SBU purportedly shows a large explosion occurring at the naval base, which has become a key location for Russian naval assets following their relocation from Sevastopol due to previous Ukrainian attacks.

Official Statements & Responses

Ukrainian officials, including Alexander Kamyshin, an adviser to President Volodymyr Zelenskyy, hailed the operation as a historic moment in military history, emphasizing its significance in changing the dynamics of naval combat. The SBU described the strike as a "unique special operation," underscoring its innovative use of underwater drone technology. Conversely, Russia's Black Sea Fleet quickly denied any damage, asserting that all vessels remained operational and undamaged.

Criticism & Opposition

Despite Ukraine's claims, skepticism remains regarding the veracity of the reported strike. Russian authorities have consistently dismissed Ukrainian assertions of successful attacks on their naval assets, maintaining that their fleet operates normally. This denial reflects ongoing tensions and the information warfare prevalent in the conflict.

Implications for Naval Warfare

The reported strike represents a potential turning point in naval warfare, showcasing Ukraine's ability to challenge Russian dominance in the Black Sea. The use of underwater drones could alter strategic calculations for both sides, as Ukraine seeks to leverage its technological advancements against a larger Russian fleet. Ukrainian navy spokesperson Dmytro Pletenchuk noted that striking submarines is particularly challenging, indicating that this operation could significantly impact perceptions of naval capabilities in the ongoing conflict.

Conflicting Reports & Gaps

While Ukraine claims to have successfully disabled the submarine, independent verification of the attack's impact remains elusive. Russian state media and military officials have not acknowledged any operational losses, creating a stark contrast between the narratives presented by both sides. This discrepancy highlights the complexities of information dissemination in the context of the ongoing war.

Conclusion

The underwater drone strike on the Russian submarine in Novorossiysk underscores a notable evolution in Ukraine's military strategy, particularly in naval operations. As both nations continue to assert their narratives, the incident illustrates the broader implications for naval warfare and the ongoing struggle for control in the Black Sea region. The effectiveness of Ukraine's new tactics may influence future engagements and the overall trajectory of the conflict.