The Kazan, the first submarine of the upgraded Project 885M (Yasen-M class), entered the White Sea for sea trials, Russian Navy’s Northern Fleet press service announced on Tuesday.

“Ships and assistance vessels of the Northern Fleet’s White Sea naval base initiated another stage of sea trials of the newest Kazan multipurpose nuclear submarine of the upgraded Yasen class. The submarine crew […] tests systems and mechanisms in the underwater position,” the press service said…

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