sure, drones have worked in iraq and afghanistan because there's very few missiles to shoot them down. they would be tliing out. >> compared to other drones the humming bird has a six-inch wingspan. and weighs less than a aa battery. >> it would be much more useful if the aircraft could keep itself safe. >> they have designs beyond battle. it envisions the birds helping to find victims. weaving through crevices created by an earthquake. >> chris, what is the next step in deploying these kinds of birds, if you will? >> money, wolf. the defense department put five years and $4 million into this