U.S. Government UFO Document: “File 1731 July 29, 1952 Osceola, Wisconsin 11 photos”

(Project Blue Book, U.S. Air Force, Washington, D.C.)

Source: Fold3.com, Lindon, Utah

The file contains 11 U.S. Air Force radar photos of a large UFO which manoeuvres over Osceola, Wisconsin, on 29 July 1952.

This case is a listed as a Project Blue Book ‘unknown’ or ‘unidentified.’

https://www.fold3.com/image/7274783/

(ufocasebook.com image)

Satellite photo of Osceola, Wisconsin (tageo.com)

(tageo.com photo)