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LSM(R)-501-class landing ship medium (rocket)
Photo: Capt. Isaac Lamberth and Sgt. Rowdy Vanskike · Wikimedia Commons · Public domain
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LSM(R)-501-classlandingshipmedium(rocket)

Amphibious Assault Ships (LHA/LHD) · United States
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LSM(R)-501-classlandingshipmedium(rocket)

LSM(R)-501-class landing ship medium (rocket)
LSM(R)-501-class landing ship medium (rocket) Photo: Capt. Isaac Lamberth and Sgt. Rowdy Vanskike · Wikimedia Commons · Public domain
MASS (Military Archive Scoring System) 10
* Absolute score — assessed within category · no era adjustment
Aviation Capacity
5
Troop / Vehicle Capacity
10
Well Deck Capability
5
Command Facilities
10
Self-Defence
10
Endurance
15
Versatility
15
Survivability
10
Technology
5
Cost-Effectiveness
30
Methodology ↗ → Amphibious Assault Ships (LHA/LHD) ranking
Origin United States
ManufacturerBrown Shipbuilding
CategoryAmphibious Assault Ships (LHA/LHD)
Operators2 countries
⬇ Overview
⚙ Specs
⊕ History
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality82%
MASS(Military Archive Scoring System)
⊟ Amphibious Assault Ships (LHA/LHD)ranking ↗methodology ↗
10
Amphibious Assault Ships (LHA/LHD) MASS Rating
14/14
All-Time
Amphibious Assault Ships (LHA/LHD) · 10 axes scored
Aviation Capacity
5
Troop / Vehicle Capacity
10
Well Deck Capability
5
Command Facilities
10
Self-Defence
10
Endurance
15
Versatility
15
Survivability
10
Technology
5
Cost-Effectiveness
30
ⓘ Regardless of era, the same scoring system applies to all units in the amphibious assault ships (lha/lhd) category.
01 / Overview
LSM(R)-501-class landing ship medium (rocket)
Category
Amphibious Assault Ships (LHA/LHD)
Country
United States
Prime contractor
Brown Shipbuilding
Operators
2 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
AMPHIBIOUS ASSAULT SHIPS (LHA/LHD)
—
PERFORMANCE/PRICE
45
UNIT COST (2025 USD)
—
MASS SCORE ↗
10
amphibious assault ships (lha/lhd) category
ⓘ Performance/Price and MASS score are computed across all units in the amphibious assault ships (lha/lhd) category, regardless of era.
02 / Specs & Design
03 / History
04 / Operators
Operator Countries2country
South KoreaACTIVEUnited StatesACTIVE
Amphibious Assault Ships (LHA/LHD) United States Brown Shipbuilding
📚 Sources
📖 ENCYCLOPEDIA Browse the Amphibious Assault Ships (LHA/LHD) entry →