Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the attack submarines (ssn) category.
01 / Overview
Skipjack-class submarine
Category
Country
Prime contractor
Production
1958–1961
Quantity
6
Unit Price (current)
$473.4M↗ 1084% inflation · 1956→2025
Original Price
$40.0M (1956)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ATTACK SUBMARINES (SSN) · EARLY COLD WAR
2
PERFORMANCE/PRICE
72
UNIT COST (2025 USD)
$473.4M
Original: $40.0M (1956)
Inflation: +%1084
ⓘ Performance/Price and MASS score are computed across all units in the attack submarines (ssn) category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
- Hull ClassificationSSN
- Submarine TypeNuclear-powered fast attack submarine
- Builder / ShipyardGeneral Dynamics Electric Boat, Mare Island Naval Shipyard, Ingalls Shipbuilding, Newport News Shipbuilding
- Laid Down1956
- Commissioned1959
- Boats in Class6
- In ServiceYes
◈Displacement & Dimensions5MOD.5
- Surfaced Displacement3,075 t
- Submerged Displacement3,513 t
- Length76.5 m
- Beam9.64 m
- Draft8.23 m
▣Propulsion8MOD.8
- PropulsionNuclear
- Reactor TypeS5W
- Nuclear-PoweredYes
- Air-Independent Propulsion (AIP)No
- Shaft Power11,185 kW
- Propulsor Typesingle screw
- Top Speed (surfaced)15 kn
- Top Speed (submerged)33 kn
◇Diving & Endurance2MOD.2
- Test Depth213 m
- Complement (crew)70
◆Armament8MOD.8
- Torpedo Tubes6
- Torpedo Tube Diameter533 mm
- VLS Cells0
- Cruise MissilesNo
- Ballistic Missiles (SLBM)No
- SLBM Count0
- Anti-Ship MissilesYes
- Mine-Laying CapableYes
▤Stealth2MOD.2
⬢Production3MOD.3
- Unit Cost40,000,000 USD
- First of Class1959
- Operators1
▲Fleet Status8MOD.8
- Completed6
- Active0
- Under Construction0
- Planned0
- Cancelled0
- Lost1
- Retired5
- Preserved0
◎Armour1MOD.1
- ArmourHY-80 high-strength steel (yield strength 80000 psi)
03 / History
SERVICE LIFESPANStill in Service
- 1958Production started
- 1959Entered service
- 1961Production ended
68
years in service
3
years in production
6
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
ATTACK SUBMARINES (SSN) RANKING Attack Submarines (SSN) · Early Cold War
MASS RANKINGSMASS ↗
20ATTACK SUBMARINES (SSN)2EARLY COLD WAR · ATTACK SUBMARINES (SSN)1268UNITED STATES · ALL WEAPONS8PRICE · ATTACK SUBMARINES (SSN)220PRICE · ALL WEAPONS8PERFORMANCE/PRICE · ATTACK SUBMARINES (SSN)
ⓘ Rankings are within theAttack Submarines (SSN)category.
📖 TERMS ON THIS PAGE3terms
Anti-ship missiles are guided missiles designed to engage and destroy naval vessels. They are typically used by aircraft, ships, or submarines to attack enemy ships.
Laying explosive mines underwater from a submarine.
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