MOSCOW (Sputnik) — A total of eight Borey-class submarines are planned to join the Russian Navy by 2020 to be the backbone of Russia's marine nuclear forces. The first three have been launched, and another three are currently under construction.
"The sixth submarine of the Project 855 [Yasen-class] will be laid at down at [Russia’s shipbuilding company] Sevmash in December 2016. A new Borey-class submarine will be laid down in July," the spokesman told RIA Novosti.
By 2020, the Russian Navy also plans to operate a total of eight Borei-class nuclear-powered ballistic-missile submarines, which will become the mainstay of the naval component of the country’s strategic nuclear deterrent.