Official record
In 1952, Captain Edward Ruppelt presented a new review of about 800 reports.
In March 1952, Captain Edward Ruppelt presented the US Air Force’s review in Boston.
The Air Force reexamined about 800 reports collected over the years.
About one-fifth of the reports remained unresolved even after technical analysis.
Those who filed reports included military personnel, airline pilots, and people with technical expertise.
Ruppelt described reports of unusual lights near Camp Hood, Texas, that investigators could not identify.
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