1) It doesn't matter if your target has a heartbeat when the seven civilians loitering in the area also have heartbeats (and you don't know which one it is) or when your targets heartbeat stops because he just blew himself up in the middle of a market square, and you didn't even knew there were enemies around. Or when your soldiers die because they accidentally kicked over a piece of trash that was wired up to blow an old soviet grenade.
The attitude that all we need is much better equipment is the same attitude the current leadership of the pentagon has -- but it couldn't be further from the truth, because compared with the weapons the iraq fighters and the Taliban currently have, our weapons are already much better.
What we really need is much better intelligence.