The Last Theory of UFO Sightings

On June 20, 19 forty seven, search and rescue pilot kenneth arnold reported nine quot saucer like things flying like geese in a diagonal, chain like line. There were multiple similar sightings reported over the following weeks. This siting could have been what influenced people's interpretations of the question mark in the sky? Could it have been u f os? Certainly. But equally likely, or perhaps in some people's minds, equally unlikely, could have been nothing.