Droning on Forever? Boeing Patents UAV that Could Fly Indefinitely, Recharge in Mid-air Adan Posted on June 8, 2015 Posted in Aggregated No Comments Tagged with Big Brother Electrically-powered drone would have a retractable tether cable that would connect to a power source. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email