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Warship

South Korea

HD Hyundai Heavy Industries

Soyang-class Fast Combat Support Ship

Republic of Korea Navy's next-generation fast combat support ship (AOE-II class), replenishing fuel, ammunition and stores to surface task groups. Lead ship ROKS Soyang, built by Hyundai Heavy Industries, was delivered in 2018; a second hull is being built by Hanwha Ocean for commissioning around 2028.

In service since 2018

Compiled from public sources ·primary reference ↗ ·last verified 2026-08-02

10,105

5,500

nmi

140

crew

💲 ≈ $331,000,000, USD 331 million cost cited for the second (Hanwha Ocean-built) hull, under construction and projected commissioning around 2028; lead ship's cost is not separately disclosed.

Procurement snapshot

Availability & export

ROK export-licensed

DAPA-administered; aggressive export posture with financing/offset packages.

Channel: Government-to-government

Fielded & proven

Operator data not public

In service since 2018. Status: active · ~1 built.

Lifecycle cost (est.)

$828M – $1.2B

Acquisition is only ~30% of lifecycle cost, operating & support dominate over ~35 yrs. Rough 2.5–3.5× the unit price. How we estimate this →

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.

Firepower specifications
Main armament Primary weapon: main gun, cannon or missile type.	1x 20mm Phalanx CIWS Mark 15

Physical

Dimensions, weight and crew.

Physical specifications
Length Overall length including gun/probe where applicable.	190 m

Naval

Displacement, speed, endurance and diving depth.

Naval specifications
Displacement Standard displacement in tonnes, the ship’s size class. Larger hulls carry more but cost more and are less agile.	10,105 t
Full-load displacement Displacement fully loaded with fuel, stores and munitions.	22,500 t
Max speed Top speed in knots (surfaced, for submarines). Higher aids positioning and screening.	24 kn Stronger than 12% of warships
Range Cruising range in nautical miles. Nuclear vessels are effectively unlimited (fuel-wise). Higher means more reach without replenishment.	5,500 nmi Stronger than 48% of warships
Complement Crew size. Fewer eases manning cost; more may indicate a larger, more capable platform.	140
Propulsion plant Machinery type, nuclear reactor, gas turbine (COGAG), CODAG, diesel-electric, AIP.	Combined diesel-electric or diesel (CODELOD), dual shafts

Sensors & avionics

Radar, sensor suite and datalinks.

Sensors & avionics specifications
Sensors IRST, EO/IR turrets, laser designators, sniper pods, thermal sights.	MASS decoy launchers

Program

Cost, production scale and operators.

Program specifications
Unit cost Approximate flyaway/unit cost where public. Defense pricing varies hugely by contract, offsets and configuration. Lower is cheaper.	$331,000,000 Top 10% of warships
Units built Total production run. Higher means proven manufacturing, mature logistics and spares availability.	1 Stronger than 16% of warships

Specifications compiled from public HD Hyundai Heavy Industries and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-08-02.

Compare with rivals

See how it stacks up

Warship

Soyang-class Fast Combat Support Ship Amiral Ronarc'h-class Frigate (FDI)

Naval Group Amiral Ronarc'h-class Frigate (FDI)

View Amiral Ronarc'h-class Frigate (FDI) ↗

Warship

Soyang-class Fast Combat Support Ship Alvaro de Bazan class (F100)

Navantia Alvaro de Bazan class (F100)

View Alvaro de Bazan class (F100) ↗

Warship

Soyang-class Fast Combat Support Ship Bonifaz class (F110)

Navantia Bonifaz class (F110)

View Bonifaz class (F110) ↗

Frequently asked questions

What is the main armament of the HD Hyundai Heavy Industries Soyang-class Fast Combat Support Ship? +

The HD Hyundai Heavy Industries Soyang-class Fast Combat Support Ship's primary weapon is the 1x 20mm Phalanx CIWS Mark 15.

How much does the HD Hyundai Heavy Industries Soyang-class Fast Combat Support Ship cost? +

The HD Hyundai Heavy Industries Soyang-class Fast Combat Support Ship has an approximate unit cost of 331,000,000 USD. Defense pricing varies by contract, offsets and configuration, treat this as directional.