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Iwo Jima vs LHA-1 Tarawa

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Specifications
Iwo Jima LHA-1 Tarawa
Origin 🇺🇸 United States 🇺🇸 United States
Category Amphibious vessel Amphibious vessel
Type Amphibious assault ship Amphibious assault ship
Manufacturer Puget Sound Naval Shipyard Ingalls Shipbuilding
Year introduced 1961 1976
Number built 7 units 5 units
Estimated unit price NA NA
Displacement 18,474 tons 39,967 tons
Maximum speed 22.0 knots 24.0 knots
Range 11,000 nm 10,000 nm at 20 knots
Length 180.0 m 254.0 m
Beam 26.0 m 40.2 m
Crew 667 930
Performance Radar Chart
Armament & Systems
Iwo Jima LHA-1 Tarawa
Armament
  • 2 × 2 3-inch (76 mm) / 50-caliber DP guns
  • 8 cell Sea Sparrow BPDMS launchers
  • 2 × Phalanx CIWS
  • Mark 49 RAM missile system
  • 2 × Vulcan Phalanx
  • 6 × 25 mm automatic cannons
  • 8 × 12.7 mm machine guns
  • 2 × 8 cell MK-25 NATO Sea Sparrow BPDMS launchers
  • 3 × 5-inch (127 mm) Mk 45 lightweight guns
Propulsion 2 × 600 psi (4.1 MPa) boilers, one geared steam turbine, one shaft, 22,000 shaft horsepower (16 MW) 2 × Combustion Engineering boilers, 2 × Westinghouse turbines, 70,000 horsepower (52,000 kW), 2 × propeller shafts, 1 × bow thruster

Overview

The Iwo Jima and the LHA-1 Tarawa are both Amphibious vessel classes.

The LHA-1 Tarawa displaces 39,967 tons — 2.2x the Iwo Jima's 18,474 tons. The Iwo Jima reaches 22 knots vs 24 knots for the LHA-1 Tarawa. Operational range is 11,000 nautical miles for the Iwo Jima vs 10,000 for the LHA-1 Tarawa. The Iwo Jima carries a crew of 667 vs 930 for the LHA-1 Tarawa.

The Iwo Jima was produced in 7 units vs 5 for the LHA-1 Tarawa. The Iwo Jima was commissioned in 1961, 15 years before the LHA-1 Tarawa (1976).

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Frequently Asked Questions

Which has greater displacement, the Iwo Jima-class or LHA-1 Tarawa-class?
The LHA-1 Tarawa-class has greater displacement at 39,967 tons compared to the Iwo Jima-class's 18,474 tons.
Which is faster, the Iwo Jima-class or LHA-1 Tarawa-class?
The LHA-1 Tarawa-class is faster with a maximum speed of 24 knots compared to the Iwo Jima-class's 22 knots.
Which has longer range, the Iwo Jima-class or LHA-1 Tarawa-class?
The Iwo Jima-class has a longer range at 11,000 nautical miles compared to the LHA-1 Tarawa-class's 10,000 nautical miles.
Which is longer, the Iwo Jima-class or LHA-1 Tarawa-class?
The LHA-1 Tarawa-class is longer at 254.0 meters compared to the Iwo Jima-class's 180.0 meters.
How many crew members do the Iwo Jima-class and LHA-1 Tarawa-class have?
The LHA-1 Tarawa-class has a larger crew complement of 930 compared to the Iwo Jima-class's 667 crew members.
Which has been built in greater numbers, the Iwo Jima-class or LHA-1 Tarawa-class?
The Iwo Jima-class has been built in greater numbers with 7 vessels compared to 5 vessels of the LHA-1 Tarawa-class.