Evidence-first catalogue of unidentified aerial phenomena, non-human intelligence profiles, and radar-tracked encounters, cross-referenced with declassified intelligence and cited bibliography.
Case-specific gray metallic, solid-looking object reported and photographed near Trindade Island from the Brazilian Navy ship Almirante Saldanha, described with a greenish haze and a ring around its midsection like a flattened Saturn. The photographic case has a long-running hoax debate, which Clark reviews before judging a hoax unlikely.