MOSCOW, March 17. /TASS/. The fourth Borey-class strategic submarine will be floated out in the second quarter of this year, Vice-President for Warship Construction of Russia’s United Ship-Building Corporation Igor Ponomaryov said on Friday.

"The Project 955A Borey-class nuclear-powered underwater strategic cruiser Prince Vladimir is planned to be floated out in the second quarter of this year," he said.

The sub’s delivery to the customer "will take place in accordance with the approved schedule," he said.

The Corporation’s vice-president for warship construction also said that the second Project 885 Yasen-class multipurpose nuclear submarine "will be floated out in the first quarter of this year."

As a source in the defense and industrial sector told TASS, the second Yasen-class submarine was planned to be floated out on March 30 and the fourth Borey-class sub in August-September this year.

The Prince Vladimir was laid down in 2012 and will become the fourth submarine in the series of eight Borey-class underwater cruisers and the first submarine of the improved Borey-A Project. Three submarines of this class have already been delivered to the Navy. Each such submarine carries 16 Bulava intercontinental ballistic missiles.

The Yasen-class fourth-generation multipurpose nuclear-powered submarines have been designed by the St. Petersburg-based Malakhit Design Bureau of Marine Engineering. The first Project 885 underwater cruiser Severodvinsk was delivered to the Russian Navy on June 17, 2014 and underwent operational evaluation until the spring of 2016. Overall, seven submarines of this class are scheduled to be built.