Trials continue for Russian Navy Project 955A Borei-A class nuclear-powered submarine Knyaz Vladimir.

Russian Navy Search-and-rescue forces of the Northern Fleet and the White Sea naval base are supporting the state trials of the Project 955A Borei-A class lead nuclear-powered submarine Knyaz Vladimir, the Russia Defense Ministry’s press office said, on May 15, 2020.
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Russian Navy Borei-A Knyaz Vladimir submarine during sea trials. (Picture source Wikimedia)

The submarine has gone to the White Sea from Severodvinsk in north Russia, the Russian press office added. The current stage of the trials in the White Sea is being supported by the Zvyozdochka rescue tugboat and the Mikhail Rudnitsky rescue vessel.

“The sea trials will last several days and take place above water and then underwater. During the trials, work to remove faults detected earlier will be checked and then it will be decided when the submarine can join the Northern Fleet,” the press office said.

The major part of the trials, including missile and underwater firing, was completed by the Knyaz Vladimir in late 2019. At that time, the submarine was supported by forces of the Northern Fleet’s White Sea naval base.

The Borei class, Russian designation Project 955 Borei and Project 955A Borei-A are series of nuclear-powered ballistic missile submarines being constructed by Sevmash for the Russian Navy. The Borei submarine is approximately 170 meters (560 ft) long, 13 meters (43 ft) in diameter, and have a maximum submerged speed of at least 46 kilometers per hour (25 kn; 29 mph).

Borei-A submarine is equipped with improved communication and detection systems, improved acoustic signature and has major structural changes such as addition of all moving rudders and vertical endplates to the hydroplanes for higher maneuverability, and a different sail geometry. This submarine is also equipped with hydraulic jets and improved screws that allows them to sail at nearly 30 knots while submerged with minimal noise. According to Russian report, the Borei-A is able to carry 20 Bulava SLBM and is armed with 16 SLBMs with 6-10 nuclear warheads atop each, just like the Borei submarines.