Borei-A Class (Project 955A)
Type: Ballistic Missile Submarine
Domain: sea
Country of Origin: Russia
Manufacturer: Sevmash Shipyard
First Deployed: 2013
Overview
The Borei-A (Project 955A) is Russia's most advanced nuclear-powered ballistic missile submarine (SSBN) and the core of Russia's sea-based nuclear deterrent. Displacing ~24,000 tonnes submerged, it carries 16 RSM-56 Bulava SLBMs each with 6-10 MIRV warheads (yield ~150 kT each). The Borei-A is quieter than its predecessor with pump-jet propulsion reducing radiated noise. Arctic under-ice operations provide near-undetectable second-strike patrol areas. Four Borei-A boats are in service (2021-2024) with additional hulls building. Together with the earlier Borei (955), the class provides 80+ nuclear warheads from sea.
Technical Specifications
| crew | 107 |
|---|---|
| beam_m | 13.5 |
| depth_m | 450 |
| armament | 16x R-30 Bulava SLBM each 6-10 MIRV warheads range 8300km, 6x 533mm torpedo tubes |
| length_m | 170 |
| propulsion | KTP-6 pressurized water reactor 190 MW pump-jet propulsor |
| speed_knots_submerged | 29 |
| displacement_submerged_tonnes | 24000 |
Operators
- Russia
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