In a dramatic and historic strike, Ukrainian forces have successfully destroyed one of Russia's most advanced submarines, dealing a severe blow to Vladimir Putin's Black Sea fleet. The attack, carried out with a domestically produced underwater drone, has left the multi-million pound vessel permanently out of action.
A Decisive Blow in Crimea
The target was a Varshavyanka-class submarine, colloquially known as the 'Black Hole' for its ability to evade sonar detection. Valued at approximately $400 million (£300 million), the vessel was stationed in the port of Novorossiysk in Crimea, a region illegally annexed by Russia in 2014. At the time of the attack, the submarine was reportedly armed with four launchers for Kalibr cruise missiles.
Ukraine's Security Service, the SBU, in a joint operation with the nation's navy, deployed an underwater 'sea baby' drone to deliver a fatal explosive charge. The intelligence agency confirmed the strike caused critical damage, rendering the submarine irreparable. This operation is described by the SBU as the first successful attack of its kind in history.
Strategic Impact and Wider Disruption
The destruction of the 'Black Hole' represents more than just a significant financial loss for Russia. Due to stringent international sanctions, replacing the vessel could cost Moscow up to $500 million (£375 million). Furthermore, the submarine's unique stealth capabilities made it a vital asset for Russia's naval campaign against Ukraine.
The attack has caused wider paralysis for Russian naval operations. The SBU revealed that the crippled submarine was forced to remain in port due to the threat of further 'sea baby' drone strikes on Russian ships in nearby Sevastopol Bay. This incident is part of a concerted Ukrainian campaign to disrupt Russian maritime activity.
Just days prior, Ukrainian drones targeted an oil tanker from Russia's so-called 'shadow fleet', marking the third such attack in a fortnight. These unregulated vessels are crucial for Moscow's ability to export oil globally amidst sanctions.
Context of Diplomacy and Defence
This bold military action comes against a backdrop of intense diplomatic efforts. Ukrainian President Volodymyr Zelensky recently held two days of talks with US officials in Berlin, discussing a Washington-backed peace plan. While Zelensky has publicly ruled out territorial concessions, German Chancellor Merz noted there is 'a great deal of diplomatic momentum' to end the conflict.
The US delegation has suggested that 90 per cent of the major disagreements between the negotiating sides have now been resolved. In a significant shift ahead of the talks, President Zelensky signalled a potential willingness to set aside Ukraine's pursuit of NATO membership, provided strong security guarantees are part of a final peace deal.
The destruction of the 'Black Hole' submarine underscores Ukraine's growing capability to project force and inflict serious damage on high-value Russian targets, even as diplomatic channels remain actively pursued.