Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the ballistic missile submarines (ssbn) category.
01 / Overview
Dosan Ahn Changho-class submarine
Country
Prime contractor
Production
2021–
Quantity
3
Unit Price (current)
$900.0M
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
BALLISTIC MISSILE SUBMARINES (SSBN) · MODERN ERA
5
PERFORMANCE/PRICE
65
UNIT COST (2025 USD)
$900.0M
Inflation: +%0
ⓘ Performance/Price and MASS score are computed across all units in the ballistic missile submarines (ssbn) category, regardless of era.
02 / Specs & Design
◎Identification4MOD.4
- Submarine TypeBallistic Missile Submarine (SSBN)
- Builder / ShipyardHanwha Ocean; HD Hyundai Heavy Industries
- Boats in Class9
- In ServiceYes
◈Displacement & Dimensions5MOD.5
- Surfaced Displacement3,358 t
- Submerged Displacement3,750 t
- Length83.5 m
- Beam9.6 m
- Draft7.62 m
▣Propulsion4MOD.4
- PropulsionDiesel-Electric
- Nuclear-PoweredNo
- Air-Independent Propulsion (AIP)Yes
- Top Speed (surfaced)12 kn
◇Diving & Endurance1MOD.1
- Complement (crew)50
◆Armament1MOD.1
▤Production3MOD.3
- Unit Cost900,000,000 USD
- First of Class2021
- Operators1
⬢Fleet Status4MOD.4
- Completed3
- Active3
- Under Construction3
- Planned9
03 / History
SERVICE LIFESPANStill in Service
- 2021Production started
5
years in service
3
units produced
4
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
BALLISTIC MISSILE SUBMARINES (SSBN) RANKING Ballistic Missile Submarines (SSBN) · Modern Era
MASS RANKINGSMASS ↗
25BALLISTIC MISSILE SUBMARINES (SSBN)5MODERN ERA · BALLISTIC MISSILE SUBMARINES (SSBN)55SOUTH KOREA · ALL WEAPONS5PRICE · BALLISTIC MISSILE SUBMARINES (SSBN)46PRICE · ALL WEAPONS20PERFORMANCE/PRICE · BALLISTIC MISSILE SUBMARINES (SSBN)
ⓘ Rankings are within theBallistic Missile Submarines (SSBN)category.
📖 TERMS ON THIS PAGE3terms
Submarine propulsion system enabling underwater operation without atmospheric oxygen, typically using stored oxidizer or closed-cycle engines.
Ballistic missiles are rocket‑propelled weapons that follow a ballistic trajectory after launch, delivering warheads over long distances; submarine‑launched variants (SLBMs) are fired from submerged submarines.
Propulsion system combining diesel engines to generate electricity, which powers electric motors driving the vessel's propellers.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources