A windsurfer passes a stationary Thunder Tiger SeaShark 600 unmanned surface vessel during a maritime technology demonstration at Dapeng Bay in Pingtung on July 29, 2026. (Photo by CHENG Yu-chen / AFP via Getty Images)

A small boat passes a stationary Thunder Tiger SeaShark 800 unmanned surface vessel during a maritime technology demonstration at Dapeng Bay in Pingtung on July 29, 2026. (Photo by CHENG Yu-chen / AFP via Getty Images)

A windsurfer passes a stationary Thunder Tiger SeaShark 800 unmanned surface vessel during a maritime technology demonstration at Dapeng Bay in Pingtung on July 29, 2026. (Photo by CHENG Yu-chen / AFP via Getty Images)

Operators bring a Thunder Tiger SeaShark 600 unmanned surface vessel (L) and a SeaShark 800 back to the dock following a maritime technology demonstration at Dapeng Bay in Pingtung on July 29, 2026. (Photo by CHENG Yu-chen / AFP via Getty Images)

Thunder Tiger SeaShark 600 (C) and 800 (L) unmanned surface vessels pursue an orange target boat during a maritime technology demonstration at Dapeng Bay in Pingtung on July 29, 2026. (Photo by CHENG Yu-chen / AFP via Getty Images)

A Thunder Tiger SeaShark 600 unmanned surface vessel pursues an orange target boat during a maritime technology demonstration at Dapeng Bay in Pingtung on July 29, 2026. (Photo by CHENG Yu-chen / AFP via Getty Images)

This picture taken on July 9, 2026 shows Timothy Ravasi, professor in the marine climate change unit at Okinawa Institute of Science and Technology, speaking during an interview with AFP in Onna village, Okinawa Prefecture. From "heatwave simulators" to ecological bootcamps, scientists and conservationists are trying ways to revive and reinforce Okinawa's famous coral reefs two summers after climate-driven bleaching decimated the teeming undersea ecosystems. (Photo by Philip FONG / AFP via Getty Images) / TO GO WITH AFP STORY: Japan-climate-coral-tourism-oceans, FEATURE by Tomohiro OSAKI

This picture taken on July 9, 2026 shows a clownfish at Okinawa Institute of Science and Technology in Onna village, Okinawa Prefecture. From "heatwave simulators" to ecological bootcamps, scientists and conservationists are trying ways to revive and reinforce Okinawa's famous coral reefs two summers after climate-driven bleaching decimated the teeming undersea ecosystems. (Photo by Philip FONG / AFP via Getty Images) / TO GO WITH AFP STORY: Japan-climate-coral-tourism-oceans, FEATURE by Tomohiro OSAKI