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Iwo Jima vs Ocean

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Specifications
Iwo Jima Ocean
Origin 🇺🇸 United States 🇬🇧 United Kingdom
Category Amphibious vessel Amphibious vessel
Type Amphibious assault ship Landing platform helicopter
Manufacturer Puget Sound Naval Shipyard Vickers Shipbuilding and Engineering Ltd
Year introduced 1961 1998
Number built 7 units 1 unit
Estimated unit price NA $197 million
Displacement 18,474 tons 21,500 tons
Maximum speed 22.0 knots 21.0 knots
Range 11,000 nm 8,000 nm at 15 knots
Length 180.0 m 203.4 m
Beam 26.0 m 35.0 m
Crew 667 465
Performance Radar Chart
Armament & Systems
Iwo Jima Ocean
Armament
  • 2 × 2 3-inch (76 mm) / 50-caliber DP guns
  • 8 cell Sea Sparrow BPDMS launchers
  • 2 × Phalanx CIWS
  • 4 × 30mm DS30M Mk2 guns
  • 3 × Phalanx CIWS
  • 4 × Miniguns
  • 8 × General purpose machine guns
Propulsion 2 × 600 psi (4.1 MPa) boilers, one geared steam turbine, one shaft, 22,000 shaft horsepower (16 MW) 2 × Crossley Pielstick 12 cylinder

Overview

The Iwo Jima and the Ocean are both Amphibious vessel classes.

Displacement is 18,474 tons for the Iwo Jima vs 21,500 tons for the Ocean. The Iwo Jima reaches 22 knots vs 21 knots for the Ocean. Operational range is 11,000 nautical miles for the Iwo Jima vs 8,000 for the Ocean. The Iwo Jima carries a crew of 667 vs 465 for the Ocean.

The Iwo Jima was produced in 7 units vs 1 for the Ocean. The Iwo Jima was commissioned in 1961, 37 years before the Ocean (1998).

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Frequently Asked Questions

Which has greater displacement, the Iwo Jima-class or Ocean-class?
The Ocean-class has greater displacement at 21,500 tons compared to the Iwo Jima-class's 18,474 tons.
Which is faster, the Iwo Jima-class or Ocean-class?
The Iwo Jima-class is faster with a maximum speed of 22 knots compared to the Ocean-class's 21 knots.
Which has longer range, the Iwo Jima-class or Ocean-class?
The Iwo Jima-class has a longer range at 11,000 nautical miles compared to the Ocean-class's 8,000 nautical miles.
Which is longer, the Iwo Jima-class or Ocean-class?
The Ocean-class is longer at 203.4 meters compared to the Iwo Jima-class's 180.0 meters.
How many crew members do the Iwo Jima-class and Ocean-class have?
The Iwo Jima-class has a larger crew complement of 667 compared to the Ocean-class's 465 crew members.
Which has been built in greater numbers, the Iwo Jima-class or Ocean-class?
The Iwo Jima-class has been built in greater numbers with 7 vessels compared to 1 vessels of the Ocean-class.