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Taiwan plans to spend $930 million expanding its fleet of unmanned vessels, drawing on both homegrown and US technology.
The goal is to give the island more eyes and more teeth on the water as maritime pressure from China keeps building.
What Taiwan is actually building
The centerpiece is a growing fleet of unmanned surface vessels, or USVs. Taiwan wants these vessels to handle two jobs: surveillance and strike.
The initiative leans on a hybrid model. Taiwan’s own shipbuilding expertise supplies the hulls and the industrial base, while advanced US technology fills in key software and hardware. As of September 30, 2026, Taiwan had made notable progress in folding those US systems into its maritime defense setup.
A big part of the mission is protecting the outlying islands, including Kinmen and Matsu. Those islands sit far from Taiwan’s main island, which makes them harder to defend with traditional assets alone.
In July 2026, Taiwan announced plans to procure 25 USVs and 2 underwater drones. Prototype testing for that batch is targeted for early 2027.
The bigger budget picture
Taiwan’s budget includes up to NT$210 billion (~US$6.6 billion) over five to six years for developing unmanned platforms. The target under that framework is 1,320 USVs, plus a large number of aerial drones.
In late August 2026, the Legislative Yuan passed a defense act allocating about NT$40 billion (~US$1.26 billion) annually over six years for unmanned vehicle industry development.
Several prominent Taiwanese firms are already in the mix. Thunder Tiger and CSBC Corp. are involved in developing USV prototypes, working alongside US companies.
Why sea drones, and why now
The push comes as a direct strategic response to escalating maritime threats from China. The conflict in Ukraine underscored the effectiveness of sea drones, serving as a catalyst for Taiwan’s increased investment in unmanned surface vessels.
The program hasn’t been frictionless. Progress on integrating US technology has come despite ongoing political challenges over funding and procurement, with significant political discussions navigating between annual budget allocations and special funding for these defense projects. Entities like the National Chung-Shan Institute of Science and Technology (NCSIST) are central to the procurement efforts.
What this means
For Taiwan’s defense planners, the most important milestone to watch is early 2027. That’s when prototype testing for the 25 USVs and 2 underwater drones is supposed to begin.
The gap between the near-term order and the long-term target is the real story. Scaling from dozens of vessels to more than a thousand requires a supply chain that can deliver at volume, consistently, over several years. That’s exactly what the annual NT$40 billion industry allocation appears designed to support.
For Taiwanese companies like Thunder Tiger and CSBC Corp., the program represents a potentially long runway of work. Multi-year funding commitments give manufacturers a reason to invest in capacity, hire engineers and refine designs, rather than treating each contract as a one-off.
Disclosure: This article was edited by John Chen. For more information on how we create and review content, see our Editorial Policy.
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