Helios Prototype Flying WingThe first flight of a large aircraft to be powered by electric fuel cells began with a takeoff at 8:43 a.m. HST today from the Hawaiian island of Kaua'i.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/helios-prototype-flying-wing-38/Copy URL to clipboard> DownloadShareTagsAeronauticsSize1041x1576px