“For 20 minutes, we basically were shadowed by a Chinese destroyer very closely.”
Autonomous surface vessel maker Seasats conducted a publicly tracked transit of one of its USVs, dubbed Lightfish, from San Diego to Japan, a roughly 7,500 nautical mile trip that took six months from start to finish. While operating approximately 330 miles northwest of Guam in June, the USV came within meters of 
PLA Navy destroyer Nanchang,
Lightfish, a 12-foot-long, fiberglass drone, is Seasats’s major publicly available product designed for data collection for both commercial and defense purposes.
breakingdefense.com/2025/08/usv-ma
PLA Navy destroyer Nanchang,
Lightfish, a 12-foot-long, fiberglass drone, is Seasats’s major publicly available product designed for data collection for both commercial and defense purposes.
breakingdefense.com/2025/08/usv-ma