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Huntington Ingalls Industries

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Warship United States flagUnited States

Huntington Ingalls Industries

America-class Amphibious Assault Ship

The U.S. Navy's newest big-deck amphibious assault ship class, optimized for aviation with an enlarged hangar and no well deck on the first two hulls to support F-35B and MV-22 operations at near-carrier scale.

In service since 2014 · 1 operator countries

Compiled from public sources ·primary reference ↗ ·last verified 2026-07-02

44,971

t

22

kn

1,204

crew

💲 ≈ $3,400,000,000 — Approximate unit cost

Procurement snapshot

Availability & export

US ITAR-controlled

Export needs U.S. State Dept (DDTC) approval; end-use & re-transfer restrictions apply.

Channel: Foreign Military Sales (FMS) or Direct Commercial Sale

Fielded & proven

Limited · 1 operator

In service since 2014. Status: active · ~4 built.

Lifecycle cost (est.)

$8.5B – $12B

Acquisition is only ~30% of lifecycle cost — operating & support dominate over ~35 yrs. Rough 2.5–3.5× the unit price.

Interoperability

No standardised NATO calibre / datalink detected in public specs.

Derived guidance from public data — export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.

Full specifications

Firepower

Armament, payload and guidance.

Main armament

Primary weapon: main gun, cannon or missile type.

RIM-116 RAM, Phalanx CIWS

Physical

Dimensions, weight and crew.

Length

Overall length including gun/probe where applicable.

257 m

Naval

Displacement, speed, endurance and diving depth.

Displacement

Standard displacement in tonnes — the ship’s size class. Larger hulls carry more but cost more and are less agile.

44,971 t
Full-load displacement

Displacement fully loaded with fuel, stores and munitions.

44,971 t
Max speed

Top speed in knots (surfaced, for submarines). Higher aids positioning and screening.

22 kn
Bottom 7% of warships
Complement

Crew size. Fewer eases manning cost; more may indicate a larger, more capable platform.

1204
Aircraft carried

Embarked aircraft/helicopters. Higher extends the ship’s sensor and strike reach.

20
Stronger than 78% of warships
Propulsion plant

Machinery type — nuclear reactor, gas turbine (COGAG), CODAG, diesel-electric, AIP.

2x Rolls-Royce/Alstom gas turbine

Sensors & avionics

Radar, sensor suite and datalinks.

Radar

Primary radar. AESA (active electronically scanned array) is the current state of the art.

AN/SPS-48E 3D air search radar

Program

Cost, production scale and operators.

Unit cost

Approximate flyaway/unit cost where public. Defense pricing varies hugely by contract, offsets and configuration. Lower is cheaper.

$3,400,000,000
Stronger than 20% of warships
Units built

Total production run. Higher means proven manufacturing, mature logistics and spares availability.

4
Stronger than 57% of warships
Operator countries

Number of countries operating the system. More operators means broader support ecosystem.

1
Stronger than 45% of warships

Specifications compiled from public Huntington Ingalls Industries and reference sources ↗. Published defense figures are approximations — treat comparisons as directional. Last verified 2026-07-02.

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Frequently asked questions

What is the main armament of the Huntington Ingalls Industries America-class Amphibious Assault Ship? +

The Huntington Ingalls Industries America-class Amphibious Assault Ship's primary weapon is the RIM-116 RAM, Phalanx CIWS.

How many countries operate the Huntington Ingalls Industries America-class Amphibious Assault Ship? +

The Huntington Ingalls Industries America-class Amphibious Assault Ship is operated by 1 countries.

How much does the Huntington Ingalls Industries America-class Amphibious Assault Ship cost? +

The Huntington Ingalls Industries America-class Amphibious Assault Ship has an approximate unit cost of 3,400,000,000 USD. Defense pricing varies by contract, offsets and configuration — treat this as directional.

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