"The Most Dangerous on Earth": NI Points to the Superiority of "Borei" over the US Navy's "Ohio" and "Virginia" Class Submarines
Russian "Borei"-class submarines are equipped with the "Irtysh-Amphora-B-055" sonar system
«Aleksandr Nevskiy»
Russian "Borei"-class submarines are equipped with the "Irtysh-Amphora-B-055" sonar system