That will be good to see, just hope they don't lose it! They are impressive aircraft. Of course this paves the way for unmanned commercial aircraft operating in the skies. The technology exists already , but no passenger will want to board an aircraft without the guy in the pilots seat. However I could see where it would make sense to fly unmanned freighters given that airfreight is a major business these days. If Amazon are thinking of having delivery drones, why not up the game.