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Taiwan carries out first torpedo test fire for domestically made submarine

Published by Global Banking & Finance Review

Posted on May 7, 2026

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· Last updated: May 7, 2026

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Taiwan Fires First Torpedo from New Indigenous Submarine in Major Milestone

Key Developments in Taiwan's Indigenous Submarine Program

Maiden Torpedo Test and Strategic Importance

TAIPEI, May 7 (Reuters) - Taiwan has carried out the maiden torpedo test firing for its first domestically developed submarine, a major milestone in a project aimed at strengthening deterrence against the Chinese navy and protecting vital sea lanes in the event of war.

Background and Modernisation Efforts

Taiwan, which China claims as its own territory, has made the indigenous submarine programme a key part of an ambitious project to modernise its armed forces as Beijing stages almost daily military exercises to assert its sovereignty claims.

International Collaboration and Technological Breakthroughs

The submarine programme has drawn on expertise and technology from several countries, including the United States and Britain, a breakthrough for diplomatically isolated Taiwan, whose government rejects Beijing's territorial claims.

Construction and Testing Milestones

CSBC Corp's Role and Narwhal's Achievements

Taiwan's CSBC Corp, which is leading construction of what is eventually planned to be eight submarines, said in a statement on Thursday that the first ship, named the Narwhal, had carried out its first torpedo test the day before.

The test verified the combat system's operational capabilities in terms of detection and tracking, fire control, launch, and torpedo guidance, it said.

In January, the submarine carried out its first underwater sea trial.

Future Plans and Capabilities

Taiwan has said it hopes to deploy at least two such domestically developed submarines by 2027, and possibly equip later models with missiles.

The first submarine, with a price tag of T$49.36 billion ($1.57 billion), will use a combat system by Lockheed Martin Corp and carry U.S.-made Mark 48 heavyweight torpedoes.

The CSBC statement did not say what kind of torpedoes were test-fired.

Operational Challenges and Regional Context

Delivery Delays and Fleet Expansion

The Narwhal had been due to be delivered to the navy in 2024, joining two existing submarines purchased from the Netherlands in the 1980s, but the programme has been hit with delays.

Comparative Military Strength

Taiwan's armed forces are dwarfed by those of China, which has three operational aircraft carriers and several nuclear-powered ballistic missile submarines and is developing stealth fighter jets.

Financial and Reporting Details

($1 = 31.3660 Taiwan dollars)

(Reporting by Ben Blanchard, Editing by William Maclean)

Key Takeaways

  • The Narwhal, part of Taiwan’s Indigenous Defense Submarine programme, has progressed through its 13th sea trial and 7th submerged test, advancing towards delivery expected by mid‑2026.
  • The vessel uses a Lockheed Martin combat system and U.S.‑made Mark 48 heavyweight torpedoes, and the torpedo-fired test confirms integration of detection, tracking, launch and guidance capabilities.
  • Despite past delays and budgetary pressure, Taiwan aims to field at least two domestically built submarines by 2027, with later variants possibly equipped with missiles.

Frequently Asked Questions

What milestone did Taiwan achieve with its submarine program?
Taiwan conducted the first torpedo test fire from its domestically developed submarine, marking a major milestone for its indigenous defense capabilities.
Why is Taiwan developing its own submarines?
Taiwan's indigenous submarine program aims to strengthen deterrence against the Chinese navy and protect vital sea lanes in the event of war.
What countries contributed expertise to Taiwan's submarine project?
The program drew on technical expertise and technology from several countries, including the United States and Britain.
When is Taiwan expected to deploy these new submarines?
Taiwan hopes to deploy at least two domestically developed submarines by 2027, with potential for later models to be equipped with missiles.
What weapon systems will the new Taiwanese submarine use?
The submarine will use a combat system from Lockheed Martin Corp and carry U.S.-made Mark 48 heavyweight torpedoes.

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