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Iwo Jima vs Newport

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Specifications
Iwo Jima Newport
Origin 🇺🇸 United States 🇺🇸 United States
Category Amphibious vessel Amphibious vessel
Type Amphibious assault ship Tank landing ship
Manufacturer Puget Sound Naval Shipyard Philadelphia Naval Shipyard
Year introduced 1961 1969
Number built 7 units 20 units
Estimated unit price NA NA
Displacement 18,474 tons 8,476 tons
Maximum speed 22.0 knots 22.0 knots
Range 11,000 nm 2,500 nm at 14 knots
Length 180.0 m 159.2 m
Beam 26.0 m 21.2 m
Crew 667 213
Performance Radar Chart
Armament & Systems
Iwo Jima Newport
Armament
  • 2 × 2 3-inch (76 mm) / 50-caliber DP guns
  • 8 cell Sea Sparrow BPDMS launchers
  • 2 × Phalanx CIWS
  • 2 × twin 3"/50 caliber guns
  • 2 × Mk 63 GCFS
  • SPS-10 radar
Propulsion 2 × 600 psi (4.1 MPa) boilers, one geared steam turbine, one shaft, 22,000 shaft horsepower (16 MW) 2 shafts, 6 ALCO or GM diesel engines (3 per shaft), 16,500 shp (12,300 kW)

Overview

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

The Iwo Jima displaces 18,474 tons — 2.2x the Newport's 8,476 tons. The Iwo Jima reaches 22 knots vs 22 knots for the Newport. Operational range is 11,000 nautical miles for the Iwo Jima vs 2,500 for the Newport. The Iwo Jima carries a crew of 667 vs 213 for the Newport.

The Iwo Jima was produced in 7 units vs 20 for the Newport. The Iwo Jima was commissioned in 1961, 8 years before the Newport (1969).

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Frequently Asked Questions

Which has greater displacement, the Iwo Jima-class or Newport-class?
The Iwo Jima-class has greater displacement at 18,474 tons compared to the Newport-class's 8,476 tons.
Which is faster, the Iwo Jima-class or Newport-class?
The Newport-class is faster with a maximum speed of 22 knots compared to the Iwo Jima-class's 22 knots.
Which has longer range, the Iwo Jima-class or Newport-class?
The Iwo Jima-class has a longer range at 11,000 nautical miles compared to the Newport-class's 2,500 nautical miles.
Which is longer, the Iwo Jima-class or Newport-class?
The Iwo Jima-class is longer at 180.0 meters compared to the Newport-class's 159.2 meters.
How many crew members do the Iwo Jima-class and Newport-class have?
The Iwo Jima-class has a larger crew complement of 667 compared to the Newport-class's 213 crew members.
Which has been built in greater numbers, the Iwo Jima-class or Newport-class?
The Newport-class has been built in greater numbers with 20 vessels compared to 7 vessels of the Iwo Jima-class.