Delta IV class SSBN variant - Russian submarine Tula - Wikipedia, the free encyclopedia
Russian submarines are prowling around vital undersea cables. It’s making NATO nervous. - December 22, 2017. The Russian submarine Dmitry Donskoy, the world’s largest in active service, arrives at Kronstadt Navy base, outside St. Petersburg, in July.
At least three submarines from Russia’s Borei class are in active service. A pair are in Russia’s Pacific fleet, while another one sits in Russia’s Northern fleet. By Russia plans on having eight subs in active service.
Russian submarines step up Atlantic data cables activity