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L. Y. Spear-class submarine tender
Photo: Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994 · Wikimedia Commons · Public domain
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L.Y.Spear-classsubmarinetender

Fleet Oilers & Tankers · United States · 1970
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L.Y.Spear-classsubmarinetender

L. Y. Spear-class submarine tender
L. Y. Spear-class submarine tender Photo: Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994 · Wikimedia Commons · Public domain
MASS (Military Archive Scoring System) 73
* Absolute score — assessed within category · no era adjustment
Fuel Capacity
75
RAS Capability
80
Range
70
Transfer Rate
75
Reliability
85
Endurance
80
Self-Defence
30
Versatility
70
Technology
65
Cost-Effectiveness
80
Methodology ↗ → Fleet Oilers & Tankers ranking
Origin United States
CategoryFleet Oilers & Tankers
EraCold War
In service1970
Operators1 countries
⬇ Overview
⚙ Specs
⊕ History
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality83%
MASS(Military Archive Scoring System)
⊟ Fleet Oilers & Tankersranking ↗methodology ↗
73
Fleet Oilers & Tankers MASS Rating
7/23
Cold War
15/63
All-Time
Fleet Oilers & Tankers · 10 axes scored
Fuel Capacity
75
RAS Capability
80
Range
70
Transfer Rate
75
Reliability
85
Endurance
80
Self-Defence
30
Versatility
70
Technology
65
Cost-Effectiveness
80
ⓘ Regardless of era, the same scoring system applies to all units in the fleet oilers & tankers category.
01 / Overview
L. Y. Spear-class submarine tender
Category
Fleet Oilers & Tankers
Country
United States
Production
1970–
Operators
1 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FLEET OILERS & TANKERS · COLD WAR
7
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
MASS SCORE ↗
73
fleet oilers & tankers category
ⓘ Performance/Price and MASS score are computed across all units in the fleet oilers & tankers category, regardless of era.
02 / Specs & Design
03 / History
SERVICE LIFESPANStill in Service
  1. 1970Production started
56
years in service
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
United StatesACTIVE
Fleet Oilers & Tankers Cold War United States
📚 Sources
📖 ENCYCLOPEDIA Browse the Fleet Oilers & Tankers entry →