NASA's F/A-18 (left) and X-31 are among the airplanes used to gather data for thrust-vectoring. NASA Dryden Flight Research Center Remember the scene in the movie Top Gun when Navy pilot Pete ...

We’re not entirely sure what to call this one. It’s got the usual trappings of a drone, but with only a single rotor it clearly can’t be called by any of the standard multicopter names.