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W89

Nuclear Warheads · United States
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W89

* Absolute score — assessed within category · no era adjustment
Yield
75
Yield-to-Weight Efficiency
80
Deliverability
60
Safety
70
Reliability
65
Miniaturization
70
Survivability
55
Variable-Yield Flexibility
0
Strategic Impact
70
Technology
85
Origin United States
CategoryNuclear Warheads
Operators1 countries
Data Quality81%
MASS(Military Archive Scoring System)
66
Nuclear Warheads MASS Rating
35/51
All-Time
Nuclear Warheads · 10 axes scored
Yield
75
Yield-to-Weight Efficiency
80
Deliverability
60
Safety
70
Reliability
65
Miniaturization
70
Survivability
55
Variable-Yield Flexibility
0
Strategic Impact
70
Technology
85
ⓘ Regardless of era, the same scoring system applies to all units in the nuclear warheads category.
01 / Overview
W89
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NUCLEAR WARHEADS
—
PERFORMANCE/PRICE
60
UNIT COST (2025 USD)
—
66
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 Typethermonuclear
  • Weight147 kg
  • Length1.036 m
  • Diameter338 mm
  • In ServiceNo
▣Delivery4MOD.4
◇Safety & Security2MOD.2
◆Production2MOD.2
  • Number Built0
  • First Test1980
03 / History
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE4terms
A high explosive designed to detonate reliably despite external shocks, impacts, or fires, used in nuclear warheads to ensure safety and functionality.
Explosive payload of a missile, designed to inflict damage on a target.
A device that prevents nuclear warhead detonation without authorization.
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 →