How do ICBM early warning systems differentiate between a real threat and a launch of a normal rocket intended to go to space?

Question

How do ICBM early warning systems differentiate between a real threat and a launch of a normal rocket intended to go to space?

In: 2759

Answer 1

through the study of its infrared signature , AI compares the launch with a library of known rocket/ missile signatures and can quite easily determine what the vehicle is fairly quickly.