For three years, Ukraine has waged an unconventional naval campaign that fundamentally altered the balance of power in the ...

Russia's only known submarine in the Mediterranean Sea, the Kilo-class Novorossiysk, was spotted leaving the region last week ...

Ukraine said on Monday it hit and disabled a Russian missile-carrying submarine docked at a Black Sea naval base using ...

Ukraine is under intense pressure on the battlefield and at the negotiating table, but underwater it appears to be a growing threat to Russia. New satellite imagery shows damage to a Russian naval ...

A sea drone was involved in an attack on a Russian submarine at its base in the Black Sea port of Novorossiysk a week ago. “The submarine suffered critical damage and was effectively put out of action ...

Ukraine’s spectacular attack in June on Russian bombers at air bases in northern and western Russia, using cheap drones, has revealed new threats to Russia’s strategic capabilities and forced it to ...

(CNN) — Ukrainian security services have stepped up drone and sabotage operations against Russian combat aircraft and submarines this month, in what analysts see as one way to combat incessant Russian ...