Data Quality84%
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
James Madison-class submarine
Country
Prime contractor
Production
1963–1964
Quantity
10
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
BALLISTIC MISSILE SUBMARINES (SSBN) · COLD WAR
5
PERFORMANCE/PRICE
80
UNIT COST (2025 USD)
—
ⓘ 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 Typefleet ballistic missile submarine
- Builder / ShipyardGeneral Dynamics Electric Boat, Mare Island Naval Shipyard, Portsmouth Naval Shipyard, Newport News Shipbuilding and Drydock Company
- Laid Down1962
- Commissioned1964
- Boats in Class10
- In ServiceNo
◈Displacement & Dimensions5MOD.5
- Surfaced Displacement7,397 t
- Submerged Displacement8,334 t
- Length129.54 m
- Beam10.06 m
- Draft8.53 m
▣Propulsion8MOD.8
- PropulsionNuclear
- Reactor TypeS5W PWR
- Nuclear-PoweredYes
- Air-Independent Propulsion (AIP)No
- Shaft Power11,185 kW
- Propulsor Typescrew
- Top Speed (surfaced)16 kn
- Top Speed (submerged)21 kn
◇Diving & Endurance2MOD.2
- Test Depth396.24 m
- Complement (crew)160
◆Armament7MOD.7
- Torpedo Tubes4
- Torpedo Tube Diameter533 mm
- Cruise MissilesNo
- Ballistic Missiles (SLBM)Yes
- SLBM Count16
- Anti-Ship MissilesNo
- Mine-Laying CapableNo
▤Stealth1MOD.1
⬢Production2MOD.2
- First of Class1964
- Operators1
▲Fleet Status7MOD.7
- Completed10
- Active0
- Under Construction0
- Cancelled0
- Lost0
- Retired10
- Preserved0
03 / History
SERVICE LIFESPANStill in Service
- 1963Production started
- 1964Entered service
63
years in service
1
years in production
10
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
BALLISTIC MISSILE SUBMARINES (SSBN) RANKING Ballistic Missile Submarines (SSBN) · Cold War
MASS RANKINGSMASS ↗
11BALLISTIC MISSILE SUBMARINES (SSBN)5COLD WAR · BALLISTIC MISSILE SUBMARINES (SSBN)184UNITED STATES · ALL WEAPONS4PERFORMANCE/PRICE · BALLISTIC MISSILE SUBMARINES (SSBN)
ⓘ Rankings are within theBallistic Missile Submarines (SSBN)category.
📖 TERMS ON THIS PAGE2terms
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.
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