https://www.armyrecognition.com/archives/archives-naval-defense/naval-defense-2022/russian-submarines-ufa-and-kronshtadt-train-for-submersion-in-baltic-sea
According to information published by Tass on September 8, 2022, the Ufa and the Kronshtadt latest diesel-electric submarines train to submerge in the Balt
russiansubmarinesufakronshtadttrain