> The Northern Illinois Bottlecap Balloon Brigade told Aviation Week that one of its balloons had gone missing, and that it may have been among the objects shot down by the US Air Force using a Sidewinder heat-seeking missile.
> The club said that it had been tracking the course of its silver pico balloon. Its last reported position was on February 10 at 38,910 ft. off the west coast of Alaska.
> Pico ballooning involves flying high altitude balloons that resemble party balloons, then tracking their flight path as they travel across the globe. A pico balloon can cost anywhere from $12 to $180, according to reports.
[0] https://www.businessinsider.com/ufo-downed-400000-missile-ai...
Most UFO sightings are completely banal things that are not recognized at the time, like camera artifacts and (unironically) atmospheric phenomena.