Taiwan’s domestically-built submarine

Taiwan is planning to develop and build a fleet of at least eight attack submarines to strengthen deterrence against the Chinese navy

INDIGENOUS DEFENCE SUBMARINE (IDS)
First vessel to enter service in 2024

Propulsion
Diesel-electric

X-form rudders 
Likely double-hulled design

Specifications (unconfirmed) 
Expected overall length 70m
Displacement (submerged) 2,500 tonnes  
Operational range Up to 11,000km
Surface speed 8 knots (15km/h) 
Submerged speed 17 knots (31.5km/h)

Cost: $1.54 billion

Armament: U.S.-made MK-48 torpedoes. Later models possibly equipped with Harpoon anti-ship missiles. Combat management and sonar systems to be supplied by U.S.

ASIA-PACIFIC SUBMARINE FLEETS, 2023 (selected countries)

= 2

North Korea: 71
Japan: 22 
South Korea: 19 
India: 17 
Pakistan: 8 
Australia: 6
China: 59
Vietnam: 8 
Taiwan: 4

Sources: Asian Military Review, H I Sutton, Reuters, Wisevoter
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