Ukraine's internal security agency said the attack damaged and disabled a Russian Kilo-class submarine in the port city of ...

Ukraine's Security Service said it has struck and disabled a Russian submarine using an underwater drone at the Black Sea port Novorossiysk, Russia.

April 12, 2026: the U.S. Navy is increasing its production of the Hammerhead anti-submarine mine system. This mine is designed to detect, classify, and engage submarines and can be deployed by ...