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Evidence trail: audio

DOW-UAP-PR160, Presentation by Captain Edward J. Ruppelt, 1952

This audio file records a March 1952 presentation by Captain Edward J. Ruppelt, outlining the U.S. Air Force’s reorganized investigation into unidentified flying objects (UFOs). The presentation previews prospective technical methodologies, such as diffraction-grating photography

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DOW-UAP-PR160, Presentation by Captain Edward J. Ruppelt, 1952
Media type
audio
Archive path
Release_6/DOD_111985823.mp4
Source agency
Department of War
Event date
3/26/52
Location
Boston, Massachusetts
Release date
9/18/26
Last updated
2026-09-17
Source file
Open source file

Source Summary

This audio file records a March 1952 presentation by Captain Edward J. Ruppelt, outlining the U.S. Air Force’s reorganized investigation into unidentified flying objects (UFOs). The presentation previews prospective technical methodologies, such as diffraction-grating photography

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