On October 25, a strange craft was seen — in broad daylight — flying amid the heavy traffic of the United States’ air corridors above the state of Oregon. Pilots radioed in reports of an aircraft flying outside registered flight plans. It was not responding to radio calls. It had no collision-avoidance transponders. But it was always just outside clear sight. On the ground, air traffic control was also seeing strange things. Its radar was intermittently tracking an unregistered object moving at unusually high speeds. It was cause for real concern. After all, 9/11 showed the potential havoc aircraft flying...
