Interesting airplane and mission:

A colleague, Greg, called my attention to this aircraft. On the ground at North Las Vegas.

A search of the tailnumber on Flightaware shows this interesting flight track. That's just to the west of Las Vegas.

Hmmmm.

FlightAware info: https://flightaware.com/resources/registration/N955GV

Here's the wikipedia entry for the aircraft model. 4 seats. Twin Rotaxes.