The B-871 Alrosa is a Kilo class submarine in service with the Russian Navy. From September 2019 to February 2022, it was completely upgraded as it was fitted out with the most advanced sensors and radars systems and ultra-stealth materials to carry out special missions. After having been tested for six months, it is operating in the Black Sea right now as a special attachment and reinforcement to the Russian submarines flotilla of the Black Sea Fleet. Now, it is a different kind of submersible warship as it is fitted out with unique features for special missions.
Technical Characteristics
The Alrosa is propelled by a turbine without screw propellers as it is driven by a pump jet propulsion system. It means it can sail faster without the detectable cavitation noise. This technical fact enables the submarine to move stealthily in the shallow waters adjacent to the coasts. This high-tech submarine was also fitted with two layers of ultra-stealthy materials that muffle the most insignificant noise that could be generated inside the boat.
Weapons
The Alrosa is equipped with four tubes to launch hypersonic anti-ship and cruise missiles to attack targets on land from of 4,700 km away. Yes, it carries inside her bowels 3M-54 Kalibr and the powerful Zircon missiles. It also has six torpedo tubes for eighteen smart torpedoes.
Specifications
Length: 73.8 m
Beam: 9.9 m
Displacement: 4,000 tons (submerged)
Draft: 6.2 m
Range: 7,500 nautical miles.
Below, the Kilo-class Alrosa moored at a naval base in Crimea
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