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hydrogen powered airplane, Tag
- Boeing Unveils Strangely Cute Hydrogen-Powered Phantom Eye Spy Plane Tue, 13 Jul 10, 11:30pmTargets of espionage beware! Planemaker Boeing just unveiled its new hydrogen-powered spy plane yesterday, and the strangely cute and chubby aircraft is capable of flying at an altitude of 65,000 feet for a period of four...