Unmanned vehicles plunging from the sky to the sea have emerged as pivotal assets on modern battlefields. While drones have long dominated the spotlight, nations worldwide are now exploring the untapped potential of unmanned maritime vessels. In Taiwan, beyond the state-led Huilong and Kuachi projects spearheaded by the National Chung-Shan Institute of Science and Technology to develop surface and subsurface autonomous vehicles, private enterprises are also making strides.