Sierra-class submarine
E815808
The Sierra-class submarine is a Russian nuclear-powered attack submarine class known for its titanium hull construction, deep-diving capability, and advanced acoustic stealth compared to earlier Soviet designs.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Russian submarine class
ⓘ
nuclear-powered attack submarine class ⓘ |
| armament |
anti-ship cruise missiles
ⓘ
anti-submarine torpedoes ⓘ mines ⓘ torpedo tubes ⓘ |
| constructionMaterialAdvantage |
greater depth capability than steel-hulled submarines
ⓘ
improved resistance to corrosion ⓘ reduced magnetic signature ⓘ |
| countryOfOrigin |
Russia
ⓘ
Soviet Union ⓘ |
| designedFor |
deep-water operations
ⓘ
operations under Arctic ice ⓘ |
| designGoal |
enhanced survivability
ⓘ
high-speed underwater performance ⓘ improved stealth over Victor-class submarines ⓘ |
| era | Cold War ⓘ |
| feature |
advanced acoustic stealth
ⓘ
deep-diving capability ⓘ double-hull design ⓘ escape pod in sail ⓘ reduced radiated noise compared to earlier Soviet designs ⓘ retractable bow hydroplanes ⓘ sail-mounted hydroplanes ⓘ titanium pressure hull ⓘ |
| hasVariant |
Project 945 Barrakuda
NERFINISHED
ⓘ
Project 945A Kondor NERFINISHED ⓘ |
| hullMaterial | titanium ⓘ |
| NATOReportingName | Sierra NERFINISHED ⓘ |
| navalClassification | SSN ⓘ |
| operator |
Russian Navy
NERFINISHED
ⓘ
Soviet Navy NERFINISHED ⓘ |
| predecessor | Victor-class submarine NERFINISHED ⓘ |
| primaryRole |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ attack submarine ⓘ |
| propulsion | nuclear reactor ⓘ |
| serviceStatus | in service with Russian Navy (as of early 21st century) ⓘ |
| SovietProjectNumber |
Project 945
NERFINISHED
ⓘ
Project 945A NERFINISHED ⓘ |
| stealthFeature |
anechoic coatings
ⓘ
hydrodynamically optimized hull form ⓘ raft-mounted machinery ⓘ |
| subclass |
Sierra I
NERFINISHED
ⓘ
Sierra II NERFINISHED ⓘ |
| successor |
Akula-class submarine
NERFINISHED
ⓘ
Yasen-class submarine NERFINISHED ⓘ |
| typeOfReactor | pressurized water reactor ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.