After more than six years of upgrades, the old Bryansk will soon be sailing deterrence patrols in the northeas Sea and Arctic ...

K550 nuclear submarine, Borei Class. Photo: Wikimedia USS Georgia, Ohio Class. Photo: Wikimedia Delta IV Class nuclear ballistic missile submarine. Photo: Wikimedia Kursk Submarine, Oscar II Class.

Russia plans to replace its Delta III and Delta IV-class subs with Borei II submarines in the coming years. The Oscar II-class sub will be replaced with the entirely new Yasen submarine class ...

In terms of design, the Jin-class submarines appear very similar to the Soviet Union’s Delta III class boats that were developed one decade prior in the 1970s. However, China’s counterparts ...

Russia's submarine fleet is one of the most capable in the world, perhaps second only to that of the United States. The submarine fleet is mostly a holdover from the days of the Cold War.