The Typhoon-class submarine is a ballistic missile-carrying, nuclear-powered submarine (SSBN) deployed by the Soviet Navy in the 1980s. With a displacement of up to 48,000 tons, the Typhoon is the largest submarine class in the world ever built. The name stems from the use of the word "typhoon" by Leonid Brezhnev in a 1974 speech while describing a new type of nuclear ballistic missile submarine. The Typhoon class was developed under Project 941 as the Russian Akula-class (the Russian word for "Shark", although NATO uses the name Akula class to designate Russian Project 971 Shchuka-B-class subs).

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The Typhoon-class submarine is a ballistic missile-carrying, nuclear-powered submarine (SSBN) deployed by the Soviet Navy in the 1980s. With a displacement of up to 48,000 tons, the Typhoon is the largest submarine class ever built. The name stems from the use of the word "typhoon" by Leonid Brezhnev in a 1974 speech while describing a new type of nuclear ballistic missile submarine. The Typhoon class was developed under Project 941 as the Russian Akula-class (the Russian word for "Shark", although NATO uses the name Akula class to designate Russian Project 971 Shchuka-B-class subs).

Typhoon-class subs feature multiple pressure hulls that simplify internal design while making the vessel much wider than a normal submarine (in the main body of the sub, two Delta-class pressure hulls lie parallel with a third, smaller pressure hull above them). This also greatly increases their survivability - even if one pressure hull is breached, the crew members in the other are safe and there is less potential for flooding.

Typhoon subs are quieter (partly due to the vessels' massive size) and yet more maneuverable than their predecessors. Additionally, the Typhoon class features six torpedo tubes: two are designed to handle SS-N-15 missiles or Type 53 torpedoes, and the other four are designed to launch SS-N-16 missiles, Type 65 torpedoes, or mines.

Six Typhoon class submarines were built with each carrying 20 R-39 (SS-N-20) missiles with 10 nuclear warheads each. Originally, the submarines were designated by hull numbers only. Names were later assigned to the four vessels retained by the Russian Navy: Arhangelsk, Simbirsk, Severstal, and Dmitry Donskoi. The construction of an additional vessel was cancelled. Only one of these submarines, Dmitry Donskoi, is still in service with the Russian Navy, as a test platform for the Bulava missile currently under development. All the R-39 missiles have been retired.

Typhoon class submarines in fiction
A submarine of the Typhoon class with fictional modifications, called Red October, is the subject of the Tom Clancy novel The Hunt for Red October. However, none of the existing ships actually carried that name.

Typhoon submarines are available as naval units when playing the Soviet faction in the Command & Conquer: Red Alert 2 strategy game. A virtually identical unit was featured in the game Command & Conquer: Red Alert (of which Red Alert 2 is the sequel), but it wasn't explicitely labelled as a Typhoon

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