A view of the Chinese Type 052D guided missile destroyer from the Seasats Lightfish uncrewed surface vessel. (Seasats) (Seasats screencap)The incident in question took place about 73 miles northwest of the Philippine island of Luzon, Seasats CEO Mike Flanigan told TWZ. “We don’t know the intent, but we were able to observe the vessel altering course and generally observing the Lightfish USV,” Flanigan noted. The June 15 encounter was one of several Seasats USVs have had with Chinese warships. Seasats Lightfish – Autonomous Drone Carrier“Generally we follow two rules of thought” when it comes to other vessels, Flanigan stated.