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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.

  • p. 20 …ELECTRICAL MENNS TO ATIC WITH INFORMATION THIS HEADQUARTERS. • I RESPONSE REPLY TO AFOIN-2A2. •07/20342…
  • p. 23 …JWPHQ/DIRECTOR OF INTELLIGENCE •HEADQUARTERS USAF, WAHSINGTON 25,D.c. •9171 IN REPLY TO AFOIN-2A2…
  • p. 114 …1lirector of Intelligence, Headquarters, USAF, Washington 25, D. C. 1. This report of unidentified flying objects…
  • p. 120 …DirMtor o! Intelligence, Headquarters, U~AF, Washington 2S., D. C. 1. Tuis ruport ot uni entitled…
  • p. 151 …INQUmt TOt D1rectQr of Special Investiga~iona Headquarters, US.AF ,asbington 25, D. O. SlNOPSISa On…
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Appendix I II
Sequence Frame Number Number of Approx time of Sky Color
Number Start Finish Frames Seq. in Seconds
1 0 160 160 10 Light
2 161 386 225 14 Light
3 387 700 313 19 1/2 Dark
4 700 970 270 17 Dark
5 970 1010 4o 2 1/2 Dark
6 1010 1080 70 4 1/2 Dark
7 1080 114o 60 4 Dark
DECLASS IFIED Authority NND 923007

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