Documents / FOIA release
This is a secret memorandum dated 17 February 1967 from the Chief of the Technical Intelligence Division to the Director of the National Photographic Interpretation Center. The CIA approved it for release in 2013. It reports a photo analysis of Polaroid pictures of an alleged UFO taken on the shore of Lake St. Clair, Michigan, which were supplied by the Air Force's Aerial Phenomena Office at Wright-Patterson AFB. It estimates the object's size from stated assumptions but calls the results inconclusive and says it found no definite evidence of a hoax.
Read from the scan by GLM-OCR; expect the odd misread word.
# SECRET TID-45/67 17 February 1967 MEMORANDUM FOR: Director, National Photographic Interpretation Center UBJECT: Photo Analysis of UFO Photography 1. This memorandum is in response to Project Number 66120-7, submitted by Deputy Director, NPIC, requesting that TID/NPIC perform a photo analysis of photographs imaging an alleged UFO (i.e. unidentified flying object). 2. The photography for this project was supplied by the Aerial Phenomena Office of FTD (TDET/UFO), located at Wright-Patterson AFB, Dayton, Ohio. The photographic package included three photo enlargements of the UFO (attachments 1, 2 and 3) and one photo enlargement of a helicopter (attachment 4). The latter was supposedly taken at approximately the same time and from approximately the same camera station as were the UFO photographs. The image quality of these four prints were less than optimum and were considered poor for mensural and photo analysis. These four enlarged photographs were copies reproduced from a second generation negative and attachments 1 and 2 were supposedly printed full format with an approximate 4"x6" image format. Attachments 3 and 4 are assumed not to be full format and were not used in this photo analysis because of this factor. The original photography was taken with a Polaroid Swinger having an approximate 2"x3" image format. These original prints were not available for the photo analysis. This latter single factor greatly hampered the analysis and prevented any hopes of establishing meaningful answers. 3. Also included in the photographic package were five photographs of the alleged exposure station and surrounding vicinity. These photographs (attachment 5) were taken with a Polaroid Swinger by Major R.W. Nyls of the USAF. He personally investigated the UFO exposure station on the shore of Lake St. Clair, Michigan, and tried to duplicate as closely as possible the exact position of the original camera exposure stations, Major Nyls also provided exact measurements of the area and objects imaged in the original UFO
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FOIA release, from the cia-readingroom collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 3 pages are in the text index: search them above, or from the library's search.