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Dreadnought-class submarine
Photo: Royal Navy · Wikimedia Commons · OGL 3
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Dreadnought-classsubmarine

Ballistic Missile Submarines (SSBN) · United Kingdom · 2030
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Dreadnought-classsubmarine

Dreadnought-class submarine
Dreadnought-class submarine Photo: Royal Navy · Wikimedia Commons · OGL 3
* Absolute score — assessed within category · no era adjustment
Stealth
95
Missile Payload
90
Survivability
98
Endurance
100
Diving Depth
90
Sensors
85
Reliability
80
Second-Strike Capability
100
Strategic Impact
100
Technology
90
Origin United Kingdom
ManufacturerBAE Systems Submarines
CategoryBallistic Missile Submarines (SSBN)
EraModern Era
In service2030
Operators1 countries
Quantity4
Data Quality81%
95
Ballistic Missile Submarines (SSBN) MASS Rating
1/5
Modern Era
1/33
All-Time
Ballistic Missile Submarines (SSBN) · 10 axes scored
Stealth
95
Missile Payload
90
Survivability
98
Endurance
100
Diving Depth
90
Sensors
85
Reliability
80
Second-Strike Capability
100
Strategic Impact
100
Technology
90
ⓘ Regardless of era, the same scoring system applies to all units in the ballistic missile submarines (ssbn) category.
01 / Overview
Dreadnought-class submarine
Prime contractor
Production
2030–
Quantity
4
Unit Price (current)
$10.4B↗ 34% inflation · 2016→2025
Original Price
$7.8B (2016)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
BALLISTIC MISSILE SUBMARINES (SSBN) · MODERN ERA
1
PERFORMANCE/PRICE
70
UNIT COST (2025 USD)
$10.4B
Original: $7.8B (2016)
Inflation: +%34
95
ballistic missile submarines (ssbn) category
ⓘ Performance/Price and MASS score are computed across all units in the ballistic missile submarines (ssbn) category, regardless of era.
02 / Specs & Design
◎Propulsion2MOD.2
  • PropulsionNuclear
  • Top Speed (surfaced)20 kn
◈Diving & Endurance1MOD.1
  • Complement (crew)130
03 / History
04 / Operators
Operator Inventory1country · 4units
4active
📖 TERMS ON THIS PAGE1terms
Relating to or using nuclear energy, typically fission, for propulsion or power generation in military vessels.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Ballistic Missile Submarines (SSBN) entry →