Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the helicopter carriers category.
01 / Overview
Iwo Jima-class amphibious assault ship
Category
Country
Prime contractor
Production
1960–1968
Quantity
7
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
HELICOPTER CARRIERS · EARLY COLD WAR
1
PERFORMANCE/PRICE
85
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the helicopter carriers category, regardless of era.
02 / Specs & Design
◎Identification8MOD.8
- Hull ClassificationLPH
- Ship TypeAmphibious assault ship
- Builder / ShipyardPuget Sound Naval Shipyard, Philadelphia Naval Shipyard, Ingalls Shipbuilding
- Laid Down1959
- Launched1960
- Commissioned1961
- Ships in Class7
- In ServiceNo
◈Displacement2MOD.2
- Light Displacement11,000 t
- Full Load Displacement18,474 t
▣Dimensions3MOD.3
- Length (overall)180 m
- Beam25.6 m
- Draft8.23 m
◇Complement1MOD.1
- Total Complement1,000
◆Propulsion6MOD.6
- PropulsionSteam Turbine
- Arrangement (CODAG/COGAG…)2 × 600 psi boilers, one geared steam turbine
- Number of Engines1
- Shaft Power26,000 kW
- Shafts / Screws2
- Top Speed22 kn
▤Gun Armament4MOD.4
- Main Gun3-inch/50-caliber DP guns
- Main Gun Calibre76 mm
- Main Gun Count2
- CIWS2 × Phalanx CIWS
⬢Missile Armament3MOD.3
- VLS Cells0
- Surface-to-Air MissilesSea Sparrow BPDMS
- Land-Attack Cruise MissilesYes
▲Underwater Warfare4MOD.4
- Torpedo Tubes0
- ASW CapabilityYes
- Hull-Mounted SonarYes
- Towed Array SonarNo
◎Aviation5MOD.5
- Embarked Helicopters19
- HangarYes
- Flight DeckYes
- Fixed-Wing Aircraft2
- UAV CapabilityNo
◈Sensors & Combat Systems3MOD.3
▣Survivability5MOD.5
- CBRN CitadelNo
- DegaussingNo
- Hull Materialsteel
- Stealth ShapingNo
- Automated Damage ControlYes
◇Fleet Status2MOD.2
- Completed7
- Retired7
03 / History
SERVICE LIFESPANStill in Service
- 1960Production started
- 1961Entered service
- 1968Production ended
66
years in service
8
years in production
7
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
HELICOPTER CARRIERS RANKING Helicopter Carriers · Early Cold War
MASS RANKINGSMASS ↗
11HELICOPTER CARRIERS1EARLY COLD WAR · HELICOPTER CARRIERS1367UNITED STATES · ALL WEAPONS2PERFORMANCE/PRICE · HELICOPTER CARRIERS
ⓘ Rankings are within theHelicopter Carrierscategory.
📖 TERMS ON THIS PAGE7terms
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
Automated Damage Control is a shipboard system that detects, assesses, and mitigates combat damage on aircraft carriers using sensors and software to enhance response speed and reduce crew workload.
The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.
Sonar system installed on the hull of a ship, used for underwater detection and navigation by emitting and receiving sound waves.
Cruise missiles designed to strike land targets from naval platforms, typically launched from ships or submarines.
A mechanical device that converts steam pressure into rotational energy, used to drive shipboard generators or propulsion systems.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources