DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE

PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE9669482
DATE OF SIGHTINGAugust 1947
REPORTED LOCATIONTwin Falls Idaho
FRAMES7

Machine transcription · mean legibility 48.9/100 · engines: tesseract-200dpi

Transcribed Frames

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a Ty Incident #64 |
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FRAME 003 / 007tesseract-200dpi
Incident ton G@; — 19 August 1947, 2150 hours, Trin Falls, Idaho.
Several pucple vere reported as sighting mumero.s groups of objects in tie
night sive ‘woe objects were described as a Glow in the air with a color
Similar vo regulur electric ligits. ‘he objects were said to have truveled
at "terrific" sjecd. Sone flew in triancuiay formma.civn. Three ovjeces peeled
off of one group of ten, and mroceeded on another course. The shywas over
cast. “vo o Servers stated tiat the objects ca:ld not have been birds since
the lignts were not a reflection of city licnts.

AiO Opinion: wany familiar objects visible because of the fact that
they reflect aint, appear to be incandescent; for example, the moon and
certai:m plancts. The evidence is, tuerefor., contradictory ci:ce in one in-
stance tiie objects are deseribed as merely a low, ant later on as not boeing
refzectory. The srunitwd evidence is readisy explwined as in incident 62;
cround aisats mouccted from clowis, or DirdS in Plijibe

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FRAME 004 / 007tesseract-200dpi
Incident 464 «= Twin Falls, Idaho -- 19 susust 1947

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for signal or search lights to vo roflectad fron the cloud

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Dr HYNEX'S EVALUATIONS EXTRACTED FROM PROJECT GRUDGE REPORT.
INCILENT INDEA

1. <Astrononical

a@. Eigh probability:
726, 27, 30, 31, 32, 33, 34, 48, 49, SY, 60, 66, 69, 70, 94,
9>, 96, 97, ¥8, 101, 102, 103, 104, 116, 119, 132, 136, 140,
147, 148, 158, 174, 184, 185, 187, 197, 203, 204, 208, 216,
212, 238.

b, Fair or low probabilitys
gis, 20, 23, 24, 26, 55, 36, 46, 50, 63, G7, G6, 82, 93, 1CO,
112, 126, 121, 129, 130, 144, 153, 165, 166, 167, 175, 192,
199, 202, 205, 226, 230, 240.

2. Non-astrononioal but sugsestive of other explanations

&. Balloons or ordinary airoralt:
#3, 11, 22, 41, 42, 53, 94, 73, 81, 83, 91, 92, 115, 114, 11d,
26, 131, 138, 141, 145, 155, 156, 157, 159, 160, 161, 165,
169, 171, 173, 175, 180, 182, 188, 190, 194, 195, 196, 196,.
200, 201, 209, 21u, 217, 222, 235, 237, 239.

b, Kookets, flares or falling bodies:
#4, 5, 6, 7, 8, 9, 12, 135, 14, 15, 16, 25, 56, 65, 78, 106, 107,
103, 109, 133, 170, 211, 219.

6. Miscellaneous (reflections, auroral streamers, birds, eto.):
#39, 89, 123, 124, 128, 146, 164, 181, 199, 214, 221, 231, 234.

3, Won-astronouwioal, with no explanation evident

a Lack of evidence precludes explanations
#38, 44, 45, 47, 55, 57, 72, 86, 37, 88, 90, 99, 110, 117, 118,
125, 127, 137, 139, 149, 150, 177, 179, 191, 206, 212, 215,
229, 232, 233.

syidensca afisred SuUszT9SCS AO BKDLANAL LORS

ea. 2, 10, 17, 21, 26, 37, 40, 51, 62, 68, G1, 62,°64, 68, Ti,
76, 76, 77, 79, 64, 105, 121, 122, 155, 181, 162, 154, 162,
168, 172, 176, 183, 186, 193, 207, 215, 223, 224, 225, 226,
227, 236, 241, 242, 243, 244, 134.