Russian authorities denied their diesel-powered submarine Novorossiysk suffered a serious malfunction after NATO observed the vessel operating on the surface off the coast of Brittany
Ukrainian Navy confirms Russian military's complete withdrawal from Crimean repair facilities to Russia's Novorossiysk due to Ukrainian missile threat.
Russian submarines in the Black Sea now find themselves vulnerable to Ukrainian strikes, with no safe repair options following the latest attack on the "Rostov-na-Donu" in occupied Crimea, potentially affecting four other submarines in the Black Sea.