Project Grudge - Incident, Lake of the Woods, Ontario, Canada, 1 July 1949

This document details a Project Grudge investigation into a sighting of an unidentified aerial object on 1 July 1949, near Lake of the Woods, Ontario, Canada. The witnesses, a physician and his wife from Decatur, Indiana, reported observing a silvery-gray, oblong object flying in a westerly direction for approximately five seconds. The object exhibited an erratic motion, described as similar to an oblong disc thrown through the air. The witnesses were interviewed on 15 August 1949, and their accounts were deemed credible by local authorities. Following the sighting, the witness, who is a medical doctor, proposed a theory that the observed 'flying saucers' might be connected to a current polio epidemic, suggesting that the symptoms observed in his patients were actually indicative of uranium poisoning. This theory prompted a formal inquiry by the Office of Special Investigations (OSI) and the Air Force Intelligence Department. The investigation involved coordination with the Aero Medical Laboratory at Wright-Patterson Air Force Base to determine if there was any scientific basis for the witness's claims. The Aero Medical Laboratory concluded that there was no evidence to support the theory, noting that uranium poisoning presents distinct clinical features, such as specific blood picture changes, that are not present in polio cases. Furthermore, the laboratory noted that polio outbreaks had been prevalent for years prior to the emergence of 'flying saucer' reports. The official conclusion for the sighting itself was recorded as 'Astro (METEOR).' The document includes various internal memoranda between Air Force departments, confirming that no further investigation into the medical theory was warranted and that the sighting was considered resolved.