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M20 (missile)
Photo: Tiziano Garuti (1000Bit · Wikimedia Commons · Public domain
REC // INTEL FEED

M20(missile)

SLBM · France · 1977
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M20(missile)

M20 (missile)
M20 (missile) Photo: Tiziano Garuti (1000Bit · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Range
60
Payload / MIRV
50
Accuracy
55
Platform Survivability
75
BMD Penetration
65
Readiness
80
Reliability
70
Second-Strike Value
85
Strategic Impact
75
Technology
60
Origin France
ManufacturerAérospatiale
CategorySLBM
EraCold War
In service1977–1991
Operators1 countries
Quantity100
Data Quality83%
MASS(Military Archive Scoring System)
68
SLBM MASS Rating
8/12
Cold War
16/30
All-Time
SLBM · 10 axes scored
Range
60
Payload / MIRV
50
Accuracy
55
Platform Survivability
75
BMD Penetration
65
Readiness
80
Reliability
70
Second-Strike Value
85
Strategic Impact
75
Technology
60
ⓘ Regardless of era, the same scoring system applies to all units in the slbm category.
01 / Overview
M20 (missile)
Category
Country
Prime contractor
Production
1977–1991
Quantity
100
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
SLBM · COLD WAR
8
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
68
slbm category
ⓘ Performance/Price and MASS score are computed across all units in the slbm category, regardless of era.
02 / Specs & Design
◎General7MOD.7
  • Missile ClassSLBM
  • Service Entry Year1977
  • DesignerAérospatiale, Space and Strategic Systems Division
  • Length10.4 m
  • Diameter1.5 m
  • Launch Weight20,000 kg
  • In ServiceNo
◈Propulsion4MOD.4
  • Propulsion Typesolid-fuel rocket
  • Number of Stages2
  • Fuel Typesolid propellant
  • Solid-FuelYes
▣Performance2MOD.2
  • Minimum Range3,000 km
  • Maximum Range3,000 km
◇Accuracy & Re-Entry3MOD.3
◆Warhead7MOD.7
▤Basing5MOD.5
⬢Production2MOD.2
  • Total Production100
  • Operators1
▲Warhead Detail1MOD.1
  • Explosive Filler Type1 × TN 60 or TN 61, with penetration aids
03 / History
SERVICE LIFESPANStill in Service
  1. 1977Production started
  2. 1991Production ended
49
years in service
14
years in production
100
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE6terms
Guidance system combining inertial navigation (self-contained motion tracking) with GPS (satellite-based positioning) for precise trajectory correction in ballistic missiles.
Relating to or using nuclear energy, typically fission, for propulsion or power generation in military vessels.
Countermeasures deployed by ballistic missiles to evade interception, including decoys, chaff, or other systems to confuse missile defense radars.
Propellant consisting of a solid mixture of fuel and oxidizer, enabling long-term storage and immediate launch readiness.
Designation for intercontinental ballistic missiles (ICBMs) deployed and launched from submerged submarines.
Relating to nuclear weapons that derive destructive power from both fission and fusion reactions, typically used in intercontinental ballistic missiles.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the SLBM entry →