Taiwan’s New High-tech Attack Submarine Could Wreck Havoc in Taiwan Straits

Taiwan is building modern submarine to deter PLA Navy. Source MoD Taiwan.

TAIPEI (GDC) — As Taiwan commences the production of eight new submarines, a warfare expert was cited on December 2 as saying a Chinese invasion fleet would be highly vulnerable to the submersible warships.

On November 24, Taiwan officially began production of eight attack submarines, the first indigenous watercraft of their kind in the Navy’s arsenal. The underwater vessels will be constructed at a specially designed new shipyard in Kaohsiung by Taiwan’s CSBC Corporation.

Taiwan currently has a rapidly aging fleet of four submarines, including two Chien Lung-class submarines, SS-793 Hai Lung (Sea Dragon) and SS-794 Hai Hu (Sea Tiger), which were purchased from the Netherlands in the 1980s. Older still, are its Hai Shih-class submarines, SS-791 Hai Shih (Sea Lion) and SS-792 Hai Bao (Sea Leopard), which were acquired from the U.S. in the 1970s and date back to the 1940s.

Meanwhile, over the past decade, China has aggressively built up its navy to over 300 warships and submarines, making it the largest navy in the world. China plans to continue to expand its armada to 450 ships and 110 submarines by 2030.

It is for this reason that Taiwan has felt the urgent need to build up its fleet of submarines to counter the threat of a full-scale invasion by the communist country. After decades of being denied purchases of submarines and components from foreign shipbuilders due to pressure from China, Taiwan in 2015 decided to build its own fleet, with the prototype expected to cost $1.72 billion and scheduled to be completed by the third quarter of 2024.

It is estimated that Taiwan’s eight new attack submarines will cost a total of $16 billion. Mark Stokes, the executive director of the Project 2049 Institute in Virginia was cited by Forbes as saying that “Their counter-coercive value should not be underestimated.”

The new submarines will have double hulls and will be powered by lithium-ion batteries. They will be armed with both Harpoon anti-ship missiles and Mark 48 torpedoes.

Although the People’s Liberation Army Navy (PLAAN) enjoys an overwhelming numerical advantage over the Taiwan Navy’s surface fleet, it will have to contend with the Taiwan Strait’s treacherous conditions, which Taiwan’s planned attack submarines will be able to exploit to maximum effect, capable of sinking Chinese noisy type 094 submarines.

Owen Cote, associate director of MIT Security Studies and an expert on submarines and anti-submarine warfare, stated that “The shallow, noisy waters of the Taiwan Strait greatly favor submarines over air and surface (anti-submarine warfare) forces.”

Cote asserted that despite the fact that PLAAN currently has 70 submarines and other warships and aircraft equipped with sonar technology, “even a small flotilla of Taiwanese subs” could penetrate their defenses. He pointed out that the only submarines capable of conducting anti-submarine warfare (ASW) are in the U.S. and U.K. navies.

Cote concluded that given the hazardous conditions in the strait that favor submarines, and given China’s inability to conduct ASW underwater, on the surface, or in the air, even a small number of attack subs could stop a would-be Chinese invasion fleet in its tracks.

Also slated for 2024 is the completion of an upgrade to SS-793 Hai Lung and SS-794 Hai Hu, which will ultimately bring the country’s modern attack sub count to 10. Taiwan is hedging its bets by both acquiring and building an arsenal of missiles to stymie any attempt to occupy its territory.

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