There are four versions of the submarine (Akula, Akula I, Akula II, and Akula III), and a total of 15 vessels. The Akula-II class is a third-generation nuclear-powered attack submarine ...
Akula-class, and Borei-class. The latest Russian submarine, a Borei-class Imperator Aleksandr III, was commissioned in 2023. In terms of bases, the Russian submarine fleet is spread across the ...