Data Quality81%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the ballistic missile submarines (ssbn) category.
01 / Overview
Columbia-class submarine
Country
Production
2020–
Quantity
12
Unit Price (current)
$10.9B↗ 19% inflation · 2021→2025
Original Price
$9.2B (2021)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
BALLISTIC MISSILE SUBMARINES (SSBN) · MODERN ERA
2
PERFORMANCE/PRICE
70
UNIT COST (2025 USD)
$10.9B
Original: $9.2B (2021)
Inflation: +%19
ⓘ Performance/Price and MASS score are computed across all units in the ballistic missile submarines (ssbn) category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
- Hull ClassificationSSBN
- Submarine Typeballistic missile submarine
- Builder / ShipyardElectric Boat
- Laid Down2020
- Commissioned2031
- Boats in Class12
- In ServiceNo
◈Displacement & Dimensions3MOD.3
- Submerged Displacement20,810 t
- Length171 m
- Beam13.1 m
▣Propulsion4MOD.4
- PropulsionIntegrated Electric
- Reactor TypeS1B
- Nuclear-PoweredYes
- Propulsor Typepump-jet
◇Diving & Endurance1MOD.1
- Complement (crew)155
◆Armament2MOD.2
- Ballistic Missiles (SLBM)Yes
- SLBM Count16
▤Sensors2MOD.2
- Bow SonarEnlarged version of the Virginia class LAB sonar
- Combat SystemSubmarine Warfare Federated Tactical System (SWFTS)
⬢Stealth2MOD.2
▲Production3MOD.3
- Unit Cost9,150,000,000 USD
- First of Class2031
- Operators1
◎Fleet Status8MOD.8
- Completed0
- Active0
- Under Construction2
- Planned12
- Cancelled0
- Lost0
- Retired0
- Preserved0
03 / History
SERVICE LIFESPANStill in Service
- 2020Production started
6
years in service
12
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
BALLISTIC MISSILE SUBMARINES (SSBN) RANKING Ballistic Missile Submarines (SSBN) · Modern Era
MASS RANKINGSMASS ↗
4BALLISTIC MISSILE SUBMARINES (SSBN)2MODERN ERA · BALLISTIC MISSILE SUBMARINES (SSBN)34UNITED STATES · ALL WEAPONS1PRICE · BALLISTIC MISSILE SUBMARINES (SSBN)3PRICE · ALL WEAPONS12PERFORMANCE/PRICE · BALLISTIC MISSILE SUBMARINES (SSBN)
ⓘ Rankings are within theBallistic Missile Submarines (SSBN)category.
📖 TERMS ON THIS PAGE5terms
Anechoic coating: A type of sonar-absorbing material applied to submarines to reduce their acoustic signature. It consists of rubber or other materials with properties that minimize sound reflection.
Ballistic missiles are rocket‑propelled weapons that follow a ballistic trajectory after launch, delivering warheads over long distances; submarine‑launched variants (SLBMs) are fired from submerged submarines.
Propulsion system combining gas turbines and diesel generators to provide both ship propulsion and electrical power.
Relating to or using nuclear energy, typically fission, for propulsion or power generation in military vessels.
A pump-jet propulsor is a type of propulsion system used in submarines, utilizing a pump-jet to generate thrust.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources