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MR 31
Photo: Jakub Hałun · Wikimedia Commons · CC BY-SA 4.0
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MR31

Nuclear Warheads · France · 1970
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MR31

MR 31
MR 31 Photo: Jakub Hałun · Wikimedia Commons · CC BY-SA 4.0
* Absolute score — assessed within category · no era adjustment
Yield
40
Yield-to-Weight Efficiency
35
Deliverability
50
Safety
45
Reliability
55
Miniaturization
30
Survivability
40
Variable-Yield Flexibility
0
Strategic Impact
50
Technology
40
Origin France
CategoryNuclear Warheads
EraCold War
In service1970
Operators2 countries
Data Quality84%
MASS(Military Archive Scoring System)
41
Nuclear Warheads MASS Rating
26/26
Cold War
48/51
All-Time
Nuclear Warheads · 10 axes scored
Yield
40
Yield-to-Weight Efficiency
35
Deliverability
50
Safety
45
Reliability
55
Miniaturization
30
Survivability
40
Variable-Yield Flexibility
0
Strategic Impact
50
Technology
40
ⓘ Regardless of era, the same scoring system applies to all units in the nuclear warheads category.
01 / Overview
MR 31
Country
Production
1970–
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NUCLEAR WARHEADS · COLD WAR
26
PERFORMANCE/PRICE
55
UNIT COST (2025 USD)
—
41
nuclear warheads category
ⓘ Performance/Price and MASS score are computed across all units in the nuclear warheads category, regardless of era.
02 / Specs & Design
◎General3MOD.3
  • Service Entry Year1970
  • Weight700 kg
  • In ServiceNo
◈Yield3MOD.3
▣Delivery1MOD.1
03 / History
SERVICE LIFESPANRetired
  1. 1970Production started
56
years in service
0
countries operating
ⓘ 2 countries retired it.
04 / Operators
Operator Countries2country
📖 TERMS ON THIS PAGE1terms
Explosive payload of a missile, designed to inflict damage on a target.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Nuclear Warheads entry →