Never in the field of human history has so much been taken from so many by so few
Those are most probably not UFOs but reflections of the floodlights below caused by the photographic lens of the camera. And here is the reason why:It sounds like a plausible explanation. But then, who knows? In cataloging the bizarre sightings and events reported daily, there will inevitably be some that can be explained in accordance with known phenomena. On the other hand, learning to discern for ourselves also requires that we keep an open mind to all possibilities. We invite readers to explore the hundreds of sightings of objects that defy commonly accepted boundaries of what is possible and what is not.
this YouTube video, also linked to from the current "Connecting the Dots".
That is not to say that the UFO phenomenon is nonexistent! It seems just that the above picture slid into the dataset, which demonstrates how difficult it is to discern the (deliberate or unintentional) NOISE from the REAL SIGNAL.