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R-27 (missile)
Encyclopedia
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Submarine-launched ballistic missile
A submarine-launched ballistic missile is a ballistic missile capable of delivering a nuclear warhead that can be launched from submarines. Modern variants usually deliver multiple independently targetable reentry vehicles each of which carries a warhead and allows a single launched missile to...
developed by the Soviet Union
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....
and employed by the Soviet Navy
Soviet Navy
The Soviet Navy was the naval arm of the Soviet Armed Forces. Often referred to as the Red Fleet, the Soviet Navy would have played an instrumental role in a Warsaw Pact war with NATO, where it would have attempted to prevent naval convoys from bringing reinforcements across the Atlantic Ocean...
from 1968 through 1988. NATO assigned the missile the reporting name
NATO reporting name
NATO reporting names are classified code names for military equipment of the Eastern Bloc...
SS-N-6 Serb. In the USSR, it was given the GRAU
Grau
Grau is a German word meaning "gray" and a Catalan word meaning "grade". It may refer to:* BAP Almirante Grau , a De Zeven Provinciën class cruiser in service with the Peruvian Navy* Grau Käse, Tyrolean grey cheese...
index 4K10. It was a liquid fuel rocket using a hypergolic combination of unsymmetrical dimethylhydrazine as fuel and inhibited red fuming nitric acid
Red fuming nitric acid
Red fuming nitric acid is a storable oxidizer used as a rocket propellant. It consists mainly of nitric acid , also containing 13% dinitrogen tetroxide and 3% water. The dissolved nitrogen dioxide is very concentrated and can be found at room temperature...
as oxidizer. Between 1974 and 1990, 161 missile launches were conducted, with an average success rate of 93%.
The R-27 missiles were deployed on the Yankee I
Yankee class submarine
The Yankee class is the NATO classification for a type of nuclear-powered submarine that was constructed by the Soviet Union from 1968 onward. 34 units were produced under Project 667A Navaga and Project 667AU Nalim...
submarines, including the K-219
Soviet submarine K-219
K-219 was a Navaga-class ballistic missile submarine of the Soviet Navy. She carried 16 SS-N-6 liquid-fuel missiles powered by UDMH with IRFNA, equipped with an estimated 34 nuclear warheads....
.
R-27
- Total Mass: 14.200 kg
- Diameter: 1.50 m
- Total Length: 8.89 m
- Span: 1.50 m
- Payload: 650 kg
- Warhead: single nuclear: 1.0 Mt
- Maximum range: 2400 km
- CEPCircular error probableIn the military science of ballistics, circular error probable is an intuitive measure of a weapon system's precision...
: 1.9 km - Launch platform: project 667A submarines
R-27U
- Total Mass: 14.200 kg
- Diameter: 1.50 m
- Total Length: 8.89 m
- Span: 1.50 m
- Payload: 650 kg
- Warhead: 3 : 200 Kt
- Maximum range: 3,000 km
- CEPCircular error probableIn the military science of ballistics, circular error probable is an intuitive measure of a weapon system's precision...
: 1.3 km - Launch platform: project 667AU submarines
R-27K
The 4K18 was a Soviet intermediate-range ballistic anti-ship missile (also known as R-27K, where "K" stands for Korabelnaya which means "ship-related"). First tests in 1974. It was operational during the 1970s as part of the Cold WarCold War
The Cold War was the continuing state from roughly 1946 to 1991 of political conflict, military tension, proxy wars, and economic competition between the Communist World—primarily the Soviet Union and its satellite states and allies—and the powers of the Western world, primarily the United States...
. Codenamed SS-N-13.
Operator
: The Soviet NavySoviet Navy
The Soviet Navy was the naval arm of the Soviet Armed Forces. Often referred to as the Red Fleet, the Soviet Navy would have played an instrumental role in a Warsaw Pact war with NATO, where it would have attempted to prevent naval convoys from bringing reinforcements across the Atlantic Ocean...
was the only operator of the R-27.
: R-27 copy, BM25/Musudan-1
: R-27 copy, BM25/Musudan-1