Iwo Jima vs Ocean
Iwo Jima vs Ocean at a glance — displacement 18,474 vs 21,500 tons, length 180 vs 203 m, speed 22 vs 21 knots, crew 667 vs 465.
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 |
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 |
Detailed Comparison
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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.