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Following the first attack in September of 2023, the $300 million kilo-class submarine underwent repairs and was tested in the waters of Sevastopol harbor. After the second attack it sank.
The Hetman Ivan Vyhovskyi is the second warship of this class constructed at the Turkish shipyard for Ukraine. The first, the Hetman Ivan Mazepa, is currently undergoing sea trials.
The operation was conducted by the Security Service of Ukraine (SBU) and Ukraine's Military Intelligence (HUR) in collaboration with the Armed Forces of Ukraine (AFU).