UFO encounters are often dismissed by skeptics as the product of attention-seekers, hoaxes, or simply overactive imaginations. But what happens when the UFO is seen by some of the most trained and trustworthy professionals around? Compared to encounters by ground-dwelling civilians, cases of UFOs seen by pilots and astronauts are some of the most credible UFO stories around.
These UFO sightings are, perhaps, the most convincing because these witnesses are highly respected professionals whom we trust with our lives. They have nothing to gain by putting their careers and reputations on the line reporting bizarre happenings in the skies.
More shocking is the sheer volume of such reported incidents that happen every year. Here's a list of some of the more notable sightings of alien spacecraft by pilots and astronauts.