Much remains unknown about the European laser defense system—including its effective range, its vulnerability to weather conditions, and its effectiveness at engaging multiple targets.

Perhaps optical tracking, LiDAR and laser targeting systems have evolved considerably since then. The team promoting the Photon Matrix product claims it incorporates "mandatory safety certification ...

German laser maker Trumpf and defense tech firm Rohde & Schwarz said on Wednesday they are developing a system to detect, track, and shoot down drones with lasers.