Ukraine disables Russian submarine with underwater drones
Change
On December 15, 2025, Ukrainian underwater drones struck and disabled a Russian Kilo-class attack submarine at the Novorossiysk port in Krasnodar Region.
Why it matters
The Ukrainian Security Service (SBU) carried out the operation using 'Sub Sea Baby' underwater drones. The strike disabled a Russian Kilo-class attack submarine docked at a pier in Novorossiysk, Krasnodar Region. Footage shows a large explosion at the pier near other docked vessels. The incident occurred on December 15, 2025, and is described as the first underwater drone strike of its kind.
Implications
- • A Kilo-class attack submarine is disabled and unavailable for Russian operations from Novorossiysk.
- • Vessels berthed at the struck pier face exposure to underwater explosive attacks while docked.
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