Typhoon Class Submarine (Akula)

Typhoon Class Submarine (Akula)
https://engineers-channel.blogspot.com/p/submarines.html

Typhoon Class Submarine is a type of nuclear-powered ballistic missile submarine deployed by the Soviet Navy in the 1980s. With a submerged displacement of 48,000 tons, the Typhoons are the largest class of submarine ever built, large enough to accommodate decent living facilities for the crew when submerged for months on end. The Russian Navy canceled its Typhoon modernization program in March 2012, stating that modernizing one Typhoon would be as expensive as building two new Borei-class submarines. With the announcement that Russia has eliminated the last SS-N-20 Sturgeon SLBMs in September 2012, the remaining Typhoons have reached the end of service. an Ohio-class SSBN was around 2 billion USD per boat.