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Case FileNARA NAID 28976202 · T1206 Roll 31

Project Blue Book Case File

Yakima, WashingtonDecember 1957

Unidentified

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Yakima, Washington in December 1957. The full case file (4 scanned pages of witness statements, Air Force memoranda, and investigator notes) is reproduced below as held by the National Archives. The Air Force assigned this case to its broader investigation of unidentified aerial phenomena alongside ~12,600 other reports filed between 1947 and 1969. Citation: NARA Record Group 341, Microfilm Publication T1206, Roll 31.

Reported location

Yakima, Washington

Date of incident

December 1957

State / country

WA / US

Page count

4 scanned pages

USAF evaluation

unidentified

Microfilm

T1206, Roll 31

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
|]
: PROJECT 10073 RECORD CARD
1. DATE i LOCATION 12. CONCLUSIONS
O Was Ball
18 December 19357 Yakima, Washington 0 Probably Balloon
3. DATE-TIME GROUP 4 TYPE OF OBSERVATION 0 Possibly Balloon |
Local iiftaruavar it. rg iis Jl i XXKGround- Visual O Ground-Radar 9 Bovey Aer oft
cmMT_19/01082 0 Air Visual O Air-Intercept Radar O Possibly Aircraft
5. PHOTOS 4. SOURCE XXWas Astronomical Meteor
0 Yes O Probably Astronomical
3XNo | Civilian O Possibly Astronomical
7. LENGTH OF OBSERVATION | 8. NUMBER OF OBJECTS 9. COURSE [2 Go || | OE CA Re Redes
- insutigint Data for Evaluation
2 seconds one | SW ik
10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
Large red fireball, size of end of | This was without doubt a;meteor.
pencil beld at arm's length, red, We are now having the Geminid shower.
leaving contrails, There was an explo- ;
sion & ball of smoke. Smoke lasted
until sundown,
ATIC FORM 219 (REV 26 SEP $2)
/ 4

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Source: National Archives Catalog · NAID 28976202

Connected across the archive

Places

WashingtonYakima, WA

Agencies

United States Air Force

Dates

19571957-12-01

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