From this secret base, Russian spy ships increase activity around global data cables | The Independent Barents Observer
A military sailor adjusts the flags on the 'Severodvinsk' nuclear-powered cruise missile submarine on the eve of the Naval parade marking Navy Day in Kronstadt Navy base, outside St.Petersburg, Russia, Saturday, July
Russia's nuclear submarine construction reaches post-Soviet high | The Independent Barents Observer
New Images Reveal Russia's 'Missing' Submarine Belgorod In Arctic - Naval News
First Baltic Sea voyage for Russia's 4th generation multi-purpose sub | The Independent Barents Observer
Russia's powerful Northern Fleet just got the first of a new class of submarines that has the US Navy worried
Russia's new Severodvinsk submarine to go on trial run in early July - Russia - TASS
Has the Russian submarine threat been diminished by the Ukraine war? | Navy Lookout
Satellites Spot Russia's Newest Submarine Leaving for 'Combat Training' | The National Interest
Severodvinsk Multirole Nuclear-Powered Attack Submarine Fires First Cruise Missile
US sponsored defueling site approved for operation in Severodvinsk - Bellona.org
Russian Submarines Test NATO in Icy North Atlantic - WSJ