That is, once all the testing is done and the results are spectacular. So far the Global Observer seems on the right track. Currently being developed by AeroVironment, the hydrogen powered drone can cover vast (and we mean vast) distances over a period of days before needing to land for refueling.
Have you an opinion, used or been to this object or place? Tell us what you like don't like about it, or post any specs/info about it:
