to the suspicious vehicle, and is now saying to the user this is suspicious. do you want me to take out this incoming threat. that s right. with just one button the user can give the interceptor the command clear to attack. now the interceptor is going to accelerate into the target from beneath and destroy it. reporter: the incoming threat is gone. right. reporter: the system can actually attack an incoming drone on its own without a human being giving the command. 99% is done in lattice our a.i. operating system. let robots do what robots are good at. reporter: unlike other counter don t systems lattice doesn t need wi-fi. it is all powered by solar energy. there are concerns about the growth of artificial intelligence and computers making critical decisions in conflict. it does raise important questions about where is this going, what ultimately keeps humans still in charge of the use of force? reporter: fewer war