LATEST Ancient Prototypes of Proxy Warfare: The Economic and Logistical Burden of Roman and Persian Proxy Networks among Arab Tribes and Caucasian Powers
SEARCH
DB ONLINE
EN ▾
EN TR
Echo-class submarine
Photo: employed US Navy · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
REC // INTEL FEED

Echo-classsubmarine

Guided Missile Submarines (SSGN) · Russia · 1958
ADD TO COMPARE

Echo-classsubmarine

Echo-class submarine
Echo-class submarine Photo: employed US Navy · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
MASS (Military Archive Scoring System) 84
* Absolute score — assessed within category · no era adjustment
Land-Attack Firepower
90
Missile Payload
85
Stealth
80
Sensors
75
Special-Ops Capability
70
Endurance
85
Survivability
88
Versatility
82
Technology
80
Strategic Impact
95
Methodology ↗ → Guided Missile Submarines (SSGN) ranking
Origin Russia
CategoryGuided Missile Submarines (SSGN)
In service1958–1968
Quantity34
⬇ Overview
⚙ Specs
⊕ History
⚖ MASS Score
📚 Sources
Data Quality83%
MASS(Military Archive Scoring System)
⊟ Guided Missile Submarines (SSGN)ranking ↗methodology ↗
84
Guided Missile Submarines (SSGN) MASS Rating
3/10
All-Time
Guided Missile Submarines (SSGN) · 10 axes scored
Land-Attack Firepower
90
Missile Payload
85
Stealth
80
Sensors
75
Special-Ops Capability
70
Endurance
85
Survivability
88
Versatility
82
Technology
80
Strategic Impact
95
ⓘ Regardless of era, the same scoring system applies to all units in the guided missile submarines (ssgn) category.
01 / Overview
Echo-class submarine
Category
Guided Missile Submarines (SSGN)
Country
Russia
Production
1958–1968
Quantity
34
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
GUIDED MISSILE SUBMARINES (SSGN)
—
PERFORMANCE/PRICE
88
UNIT COST (2025 USD)
—
MASS SCORE ↗
84
guided missile submarines (ssgn) category
ⓘ Performance/Price and MASS score are computed across all units in the guided missile submarines (ssgn) category, regardless of era.
02 / Specs & Design
◎Propulsion1MOD.1
  • Top Speed (surfaced)15.1 kn
◈Diving & Endurance2MOD.2
  • Submerged Endurance50 day
  • Complement (crew)104
03 / History
SERVICE LIFESPANRetired
  1. 1958Production started
  2. 1968Production ended
68
years in service
10
years in production
34
units produced
Guided Missile Submarines (SSGN) Russia
📚 Sources
📖 ENCYCLOPEDIA Browse the Guided Missile Submarines (SSGN) entry →