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Case FileNARA NAID 28969420 · T1206 Roll 27

Project Blue Book Case File

San Antonio, TexasMarch 1957

Unidentified

Summary

On March 28, 1957, a civilian near San Antonio, Texas, reported a single object around dusk. The case was logged under Project 10073, the Air Force's official record for unidentified flying object reports. The object was shaped like a large star, about the size of a baseball, and was white and very bright. It turned pink as the sun went down, and a shaft appeared from the top.

The witness, driving along, spotted the bright light. The object stayed stationary, then went up a short distance and disappeared. It was watched for about 10 to 15 minutes. The sky was clear with 15 miles visibility.

The U.S. Weather Bureau advised that a skyhook type balloon released from San Angelo was plotted to be over San Antonio about 16 minutes before the sighting. The Air Force concluded the sighting was caused by sunlight reflecting off that balloon, and the object disappeared as the sun set. The card carried it as a balloon.

Reported location

San Antonio, Texas

Date of incident

March 1957

State / country

TX / US

Page count

3 scanned pages

USAF evaluation

unidentified

Microfilm

T1206, Roll 27

Original case file scans

Original case file · scanned by NARAPage 1 of 3
View transcribed text
4 : : PROJECT 10073 RECORD CARD :
1 |
J IL DATE 2. LOCATION 12. CONCLUSIONS
4 : AX Was Balloon
28 March 1957 San _Apntonio, Texas QO Probably Balloon
| |'3 DATE-TIME GROUP 4 TYPE OF OBSERVATION gi; Possibly Balleon
{ ; h- Vi i O Wos Aircraft
: BEE ee =} Sround- Visual ~ O Ground-Radar Ei Prakably Alcerafs |
X GM] 297011867 0 Air Visual 0 Air-Intercept Radar O Possibly Aircraft 4
i 3. PHOTOS : : 8. SOURCE 0 Was Astronomical |
2 QO Yes { 0 Probably Astronomical
FE Qitle Civilian DO Possibly Astronomicol
4 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE olile 11 1 EEC ETN SC
ge ; : 0 Insufficient Date for Evaluction
{ ; i \ } ; 0 Unknown |
E iY 41D minutes | one lg tationarv han 110
©. jlo. BRIEF SUMMARY OF SIGHTING : {11. COMMENTS :
| | Coe object,sshape of large star, size Believe this sighting caused
: oi baseball, color white and very bright by suns reflection on skvhook |
3 turned pink as the sun went down, A valloon.
i shalt appeared fm the top. Obj station |
3 ary then went ups There was a (skyhook)
i . Lailoon released fm San Angelo, Texas 3
4 18 min previous to sighting.
ir ATIC FORM 329 (REV 26 SEP 52) :
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Source: National Archives Catalog · NAID 28969420