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Borei-class Guided Missile Nuclear Submarine Project 955 Борей | Russian Strategic Nuclear Forces On 15 December 2009, a Defense Ministry official announced that the laying down of the fourth Borei-class submarine had been postponed from December to the first quarter of 2010. The reason for the delay was said to be "organizational and technical reasons".[36] The fourth ship of the class will be constructed under a new 955A modification.[37] It is reported by unnamed sources that this modification will include major structural changes and probably other changes.[38] If these reports are true, technically the fourth ship will be the lead ship of a new Borei II class, though this has not been officially confirmed.

The contract for five 955A submarines was delayed several times due to price dispute between the Russian MOD and the United Shipbuilding Corporation. The contract for modified 955A was finally signed on May 28, 2012.[39]

The first 955A submarine, Knyaz Vladimir, was laid down on 30 July 2012. Russian president Vladimir Putin attended the ceremony. Two additional 955A submarines have been laid down in 2014. - CrashDay Unnamed 6