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DOW-UAP-D102: Project Blue Book File on Tremonton Film, Utah, 1952

Department of War · 2026-09-18 · 156 pages · text from the file's own layer

This Department of War release reproduces Project Blue Book records on the Tremonton, Utah film of 2 July 1952. In them, Navy Chief Photographer Delbert C. Newhouse explains how he filmed a group of bright objects near Tremonton. ATIC memos and a December 1952 travel report record Navy and General Mills balloon specialists judging that the objects closely resembled pillow balloons. A January 1953 memorandum discusses publicly releasing the film. The file also includes unrelated sighting reports from Phoenix and Massachusetts, plus material about Donald Keyhoe.

Open the PDF at page 82 Original source ↗

“The Advance”1 page

  • p. 73 …readings were averaged and advanced one reading each deter minant. Of the M:>ntana film, densities…
I
--- AIRERAFT EOfflPADY, IDE.
Analysis of Photographic x~?terial
P.d0'..:GG:?.A.:i:~1-.!iTRIC AHALYflIS OF rr·•:IE. "U'7l\.H" FILM
'I' JACKING UFO I S
SANTA MONICA DIVISION
.I ,~ I ' • '
DECLASSIFIED Authority NND 923007

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