from IEEE Spectrum NASA is very proud of the Global Hawk UAVs that it uses for environmental monitoring missions like keeping track of hurricanes, among other things. We should know: we visited them last year. But Global Hawks are super expensive (between $130 and $220 million each, depending on whether or not you factor R&D cost into the mix), and while they have … [Read more...] about ‘Gobble Hawk’ Wins NASA UAV Design Competition