Yeah, there is at least one case where they (critically ?) damaged a Kilo class submarine using an underwater drone last year: https://en.defence-ua.com/news/w

Yeah, there is at least one case where they (critically ?) damaged a Kilo class submarine using an underwater drone last year: https://en.defence-ua.com/news/why_damaged_russian_kilo_class_submarine_is_effectively_a_total_loss-16829.html https://en.defence-ua.com/news/why_damaged_russian_kilo_clas...