The type of UFO reports that are most intriguing are close-range sightings of machinelike objects of unconventional nature and unconventional performance characteristics, seen at low altitudes, and sometimes even on the ground. The general public is entirely unaware of the large number of such reports that are coming from credible witnesses... When one starts searching for such cases, their number are quite astonishing.

The type of UFO reports that are most intriguing are close-range sightings of machinelike objects of unconventional nature and unconventional performance characteristics, seen at low altitudes, and sometimes even on the ground. The general public is entirely unaware of the large number of such reports that are coming from credible witnesses... When one starts searching for such cases, their number are quite astonishing.