A VTOL Unmanned Aircraft...
That stands for "vertical take off and landing", n... ...ticle/2009-07/unmanned-hover-aircraft-takes-first- flight (where you can find a video of a 1/2 scale versio... ...re you can find a video of a 1/2 scale version in flight )
https://www.neatorama.com/2009/07/23/a-vtol-unmanned-aircraft/
