Robot soldiers? Not a good idea

The United States has on its Aegis-class cruisers a defense system that can track and destroy anti-ship missiles and aircraft. Israel has developed a drone, the Harpy, that can detect and automatically destroy radar emitters. South Korea has security-guard robots on its border with North Korea that can kill humans. All of these can function autonomously without any human intention. Indeed, the early versions of the Terminator are already here.