The witness reports that she noticed lightning in a clear sky and went out with her camera. She then saw an object at altitude and angling down. In close up, it appears to have a tail. No wings are visible. Even if it is a plane, though, its attitude indicates that it is in an emergency situation. There were no reports of crashes in the area. So, are we looking at the outcome of some sort of secret battle, or a technical failure of some kind. Sure appears that way.