Strange Skies: Pilot Encounters With Ufos | Jerome Clark
Aviator sightings of unknown objects date from the 1930s to the present day and trained pilots and crews the world over have had close encounters with objects exhibiting extraordinary performance characteristics unmatched by even the most advanced military aircraft. Uncovered here is the history of air-to-air UFO encounters. Sometimes terrifying, these never-before divulged secret episodes read like a real-life X-Files.