A ScanEagle heads aloft from its pneumatic catapult launcher. The aircraft is 4 feet long and has a 10-foot wingspan. It can fly for more than 15 hours on 1.5 gallons of gas, and Boeing says planned variants may be able to cruise for more than 30 hours. Besides transmitting video, it can also handle voice over Internet Protocol communications. The ScanEagle first flew in 2002.
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