Part 14 of a series reassessing the documentary record behind the 1933 Magenta narrative. TL;DR Arnold’s report remains unidentified. On 24 June 1947, the Idaho businessman and pilot reported nine unfamiliar objects near Mount Rainier; taking him seriously does not establish their identity. The speed claim was early. About 1,200 mph appeared in the next day’s newspaper and in Arnold’s late-June radio interview. His typed military statement gives no mph figure, but says he measured the mountai...