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Taigei-class submarine
Photo: https://www.mod.go.jp/msdf/ 海上自衛隊 · Wikimedia Commons · CC BY 4.0
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Taigei-classsubmarine

Conventional Submarines · Japan · 2020
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Taigei-classsubmarine

Taigei-class submarine
Taigei-class submarine Photo: https://www.mod.go.jp/msdf/ 海上自衛隊 · Wikimedia Commons · CC BY 4.0
Origin Japan
ManufacturerKawasaki Heavy Industries Ship & Offshore Structure Company, Mitsubishi Heavy Industries Kobe Shipyard & Machinery Works
CategoryConventional Submarines
EraModern Era
In service2020
Operators1 countries
Quantity5
Data Quality81%
01 / Overview
Taigei-class submarine
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CONVENTIONAL SUBMARINES · MODERN ERA
—
PERFORMANCE/PRICE
—
UNIT COST (2025 USD)
$7.0B
Inflation: +%0
—
conventional submarines category
ⓘ Performance/Price and MASS score are computed across all units in the conventional submarines category, regardless of era.
02 / Specs & Design
03 / History
SERVICE LIFESPANStill in Service
  1. 2020Production started
6
years in service
5
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
05 / MASS Score
Not enough weapon data to rank this category.
MASS RANKINGSMASS ↗
ⓘ Rankings are within theConventional Submarinescategory.
📚 Sources
📖 ENCYCLOPEDIA Browse the Conventional Submarines entry →