A Dog’s story:
What is so different about this plane is the fact that it is a ‘drone’. It is completely unmanned. Drones come in all sizes, and the X-47B is likely one of the larger ones.
What is so amazing about all this is that the enemy cannot detect a plane like this in the first place and, in the unlikely event they get lucky at shooting one down, there will be no human loss of life or captivity. As you view the flight deck crew signaling the plane, realize they are
simply signaling the on-board cameras, who in turn are being manned by staff on the deck and inside the command intelligence center (CIC) on-board the ship.
And last but not least, here’s a picture: