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ET.317
Photo: https://raigap.livejournal.com/ · Wikimedia Commons · CC BY-SA 4.0
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ET.317

Nuclear Warheads · United Kingdom
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ET.317

ET.317
ET.317 Photo: https://raigap.livejournal.com/ · Wikimedia Commons · CC BY-SA 4.0
* Absolute score — assessed within category · no era adjustment
Yield
85
Yield-to-Weight Efficiency
80
Deliverability
75
Safety
70
Reliability
80
Miniaturization
75
Survivability
70
Variable-Yield Flexibility
60
Strategic Impact
90
Technology
85
Origin United Kingdom
CategoryNuclear Warheads
Operators1 countries
Data Quality81%
MASS(Military Archive Scoring System)
79
Nuclear Warheads MASS Rating
16/51
All-Time
Nuclear Warheads · 10 axes scored
Yield
85
Yield-to-Weight Efficiency
80
Deliverability
75
Safety
70
Reliability
80
Miniaturization
75
Survivability
70
Variable-Yield Flexibility
60
Strategic Impact
90
Technology
85
ⓘ Regardless of era, the same scoring system applies to all units in the nuclear warheads category.
01 / Overview
ET.317
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NUCLEAR WARHEADS
—
PERFORMANCE/PRICE
75
UNIT COST (2025 USD)
—
79
nuclear warheads category
ⓘ Performance/Price and MASS score are computed across all units in the nuclear warheads category, regardless of era.
02 / Specs & Design
◎General5MOD.5
  • Warhead Typefission-fusion-fission
  • Service Entry Year1968
  • Length1.8 m
  • Diameter663 mm
  • In ServiceYes
▣Delivery5MOD.5
◇Production3MOD.3
  • Designer / LabBritish Royal Navy
  • First Test1962
  • Operators1
03 / History
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE3terms
Explosive payload of a missile, designed to inflict damage on a target.
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 Nuclear Warheads entry →