Right, I know that you’d want to use radar for longer distances, but if the towed decoy is meant to appear as a juicy target, to take a hit for the fighter, cou

Right, I know that you’d want to use radar for longer distances, but if the towed decoy is meant to appear as a juicy target, to take a hit for the fighter, couldn’t you just follow it until you’re in close range, and then switch to a better discriminating sensor (visible light camera in my example) to hit the jet instead?