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W87
Photo: NNSA · Wikimedia Commons · Public domain
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W87

Nuclear Warheads · United States · 1986
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W87

W87
W87 Photo: NNSA · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Yield
95
Yield-to-Weight Efficiency
90
Deliverability
85
Safety
80
Reliability
85
Miniaturization
80
Survivability
85
Variable-Yield Flexibility
90
Strategic Impact
95
Technology
90
Origin United States
CategoryNuclear Warheads
EraCold War
In service1986–1988
Operators1 countries
Quantity525
Data Quality83%
MASS(Military Archive Scoring System)
89
Nuclear Warheads MASS Rating
1/26
Cold War
1/51
All-Time
Nuclear Warheads · 10 axes scored
Yield
95
Yield-to-Weight Efficiency
90
Deliverability
85
Safety
80
Reliability
85
Miniaturization
80
Survivability
85
Variable-Yield Flexibility
90
Strategic Impact
95
Technology
90
ⓘ Regardless of era, the same scoring system applies to all units in the nuclear warheads category.
01 / Overview
W87
Production
1986–1988
Quantity
525
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NUCLEAR WARHEADS · COLD WAR
1
PERFORMANCE/PRICE
85
UNIT COST (2025 USD)
—
89
nuclear warheads category
ⓘ Performance/Price and MASS score are computed across all units in the nuclear warheads category, regardless of era.
02 / Specs & Design
◎General4MOD.4
  • Warhead Typethermonuclear missile warhead
  • Service Entry Year1986
  • Weight200 kg
  • In ServiceYes
◈Yield4MOD.4
▣Delivery3MOD.3
◇Safety & Security1MOD.1
◆Production3MOD.3
  • Number Built525
  • Designer / LabLawrence Livermore National Laboratory
  • Operators1
03 / History
SERVICE LIFESPANStill in Service
  1. 1986Production started
  2. 1988Production ended
40
years in service
2
years in production
525
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
05 / MASS Score
NUCLEAR WARHEADS RANKING Nuclear Warheads · Cold War
📖 TERMS ON THIS PAGE5terms
A high explosive designed to detonate reliably despite external shocks, impacts, or fires, used in nuclear warheads to ensure safety and functionality.
A warhead designed for integration into a Multiple Independently Targetable Reentry Vehicle delivery system.
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.
A nuclear warhead feature allowing adjustable explosive yield, typically via selectable charge configurations, to optimize effects for different targets.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Nuclear Warheads entry →