Researchers have set a record for the largest swarm of underwater drones in history. Officially recognized by Guinness World Records, the trial saw 116 TH-618 drones deployed in a 164 ft by 65 ft pool, where they autonomously executed a series of formations and maneuvers. (For comparison, and Olympic-sized swimming pool is approximately 164 ft by 82 ft.)
A Chinese team made a big splash with a drone swarm world record - Engadget

The performance of these underwater drones is much more than a gimmick. It signals serous geopolitical swagger that's turning heads across global sectors.
A Chinese team made a big splash with a drone swarm world record
By Alec Hively
Nov. 10, 2026 9:45 am EST
Northwestern Polytechnical University
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