about surveillance and can actually fly for days, cover hundreds, thousands of miles and drop bombs in enemy territory. what do you think of that? could that help us in the current situation we're dealing with in the middle east? >> okay. first of all, pete is right. drones are not a substitute for strategy but on the other hand the next great military revolution, technological revolution is in unmanned machines. armed drones, now we have the predator and the reaper and they're doing great work but we're talking about in the future, drones that will loiter for days at 90,000 feet what if drones could bring supplies to the battlefield? we haven't even begun to talk about drones on the ground. what about robots? why do army small units, marines and seals have to walk into ambushes? we could use a machine to do that. why is it a patrol that triggers an i.e.d. strike?