What is the U.S. Military's New Top Secret Terrorist-Killing Gadget in Iraq?

Here's an idea for new unofficial Gizmodo game. It doesn't have a name, but it's based on guessing what Bob Woodward was talking about when he said the U.S. military had some super secret new gadget, gizmo or technology at their disposal in Iraq. Woodward says the tech is used to "locate, target and kill key…