441 matching evidence objects
Ranked by relevance
Matching “Public Interest” across titles, summaries, and full OCR text.
100% match
The document discusses the sightings of mysterious aerial objects referred to as 'ghost rockets' in Sweden during the summer of 1946, and the subsequent reports of similar phenomena in the United States, notably the sighting by Kenneth Arnold in June 1947, which popularized the term 'flying saucers'.