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B-class destroyer
Photo: Australian armed forces · Wikimedia Commons · Public domain
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B-classdestroyer

Destroyers · United Kingdom · 1930
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B-classdestroyer

B-class destroyer
B-class destroyer Photo: Australian armed forces · Wikimedia Commons · Public domain
MASS (Military Archive Scoring System) 23
* Absolute score — assessed within category · no era adjustment
Firepower
30
Air Defence
15
ASW Capability
20
Sensors
10
Survivability
25
Versatility
35
Endurance
40
Aviation
5
Technology
20
Cost-Effectiveness
45
Methodology ↗ → Destroyers ranking
Origin United Kingdom
ManufacturerJohn Brown & Company, Cammell Laird, Vickers-Armstrongs, Swan Hunter, R. & W. Hawthorn, Leslie and Company, Palmers Shipbuilding and Iron Company
CategoryDestroyers
EraInterwar Period
In service1930
Operators2 countries
⬇ Overview
⚙ Specs
⊕ History
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality85%
MASS(Military Archive Scoring System)
⊟ Destroyersranking ↗methodology ↗
23
Destroyers MASS Rating
83/85
Interwar Period
384/478
All-Time
Destroyers · 10 axes scored
Firepower
30
Air Defence
15
ASW Capability
20
Sensors
10
Survivability
25
Versatility
35
Endurance
40
Aviation
5
Technology
20
Cost-Effectiveness
45
ⓘ Regardless of era, the same scoring system applies to all units in the destroyers category.
01 / Overview
B-class destroyer
Category
Destroyers
Country
United Kingdom
Prime contractor
John Brown & Company, Cammell Laird, Vickers-Armstrongs, Swan Hunter, R. & W. Hawthorn, Leslie and Company, Palmers Shipbuilding and Iron Company
Production
1930–
Operators
2 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
DESTROYERS · INTERWAR PERIOD
83
PERFORMANCE/PRICE
76
UNIT COST (2025 USD)
—
MASS SCORE ↗
23
destroyers category
ⓘ Performance/Price and MASS score are computed across all units in the destroyers category, regardless of era.
02 / Specs & Design
03 / History
SERVICE LIFESPANStill in Service
  1. 1930Production started
96
years in service
2
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries2country
GreeceACTIVEUnited KingdomACTIVE
Destroyers Interwar Period United Kingdom John Brown & CompanyCammell LairdVickers-ArmstrongsSwan HunterR. & W. Hawthorn, Leslie and CompanyPalmers Shipbuilding and Iron Company
📚 Sources
📖 ENCYCLOPEDIA Browse the Destroyers entry →