Data Quality83%
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
Project 667AT Grusha
Country
Production
1987–
Quantity
7
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
BALLISTIC MISSILE SUBMARINES (SSBN) · COLD WAR
14
PERFORMANCE/PRICE
55
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
◎Identification6MOD.6
- Hull Classification667AT
- Submarine TypeSSGN/Attack submarine
- Builder / ShipyardSEVMASH (Severodvinsk) and Komsomolsk-on-Amur
- Laid Down1987
- Boats in Class7
- In ServiceYes
◈Displacement & Dimensions5MOD.5
- Surfaced Displacement9,300 t
- Submerged Displacement11,500 t
- Length141.5 m
- Beam11.7 m
- Draft8 m
▣Propulsion7MOD.7
- PropulsionNuclear
- Reactor TypeVM-4 pressurized water reactor
- Nuclear-PoweredYes
- Air-Independent Propulsion (AIP)No
- Propulsor Typesteam turbines
- Top Speed (surfaced)13 kn
- Top Speed (submerged)27 kn
◇Diving & Endurance1MOD.1
- Complement (crew)114
◆Armament6MOD.6
- Torpedo Tubes12
- Torpedo Tube Diameter533 mm
- Cruise MissilesYes
- Ballistic Missiles (SLBM)No
- Anti-Ship MissilesNo
- Mine-Laying CapableYes
▤Stealth1MOD.1
⬢Production2MOD.2
- First of Class1987
- Operators1
▲Fleet Status5MOD.5
- Completed7
- Under Construction0
- Planned7
- Cancelled4
- Lost0
03 / History
SERVICE LIFESPANStill in Service
- 1984Entered service
- 1987Production started
39
years in service
7
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 ↗
27BALLISTIC MISSILE SUBMARINES (SSBN)14COLD WAR · BALLISTIC MISSILE SUBMARINES (SSBN)1066RUSSIA · ALL WEAPONS26PERFORMANCE/PRICE · BALLISTIC MISSILE SUBMARINES (SSBN)
ⓘ Rankings are within theBallistic Missile Submarines (SSBN)category.
📖 TERMS ON THIS PAGE3terms
Cruise missiles are self-propelled, guided weapons launched from platforms like attack submarines (SSNs) to deliver warheads over long distances with precision.
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