ea45286b35e03b60
28970526.pdf
NARA·NARA_PBB_597821_pdfs-3·pdf·9.8 MB·2 pages
OCR'd text preview (2 of 2 pages)
Source: mistral_ocr · confidence ~95%
page 1
PROJECT 10073 RECORD CARD | 1. DATE | 2. LOCATION | 12. CONCLUSIONS | | --- | --- | --- | | 18 July 1957 | Cheyenne, Wyoming | ☐ Was Balloon ☐ Probably Balloon ☐ Possibly Balloon | | 3. DATE-TIME GROUP Local 1157 MST GMT 16/1657Z | 4. TYPE OF OBSERVATION ☑ Ground-Visual ☐ Ground-Radar ☐ Air-Visual ☐ Air-Intercept Radar | ☐ Was Aircraft ☐ Probably Aircraft ☐ Possibly Aircraft | | 5. PHOTOS ☐ Yes ☑ No | 6. SOURCE Civilian | ☐ Was Astronomical ☐ Probably Astronomical ☐ Possibly Astronomical | | 7. LENGTH OF OBSERVATION 5 minutes | 8. NUMBER OF OBJECTS one | 9. COURSE W to E ☐ Other Cont…
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16/18537 PROB A/C 51 18 July 1957 Subject: Ground observation of unusual vapor trails To: Commander Air Defence Command Ent Air Force Base Colorado Springs, Colo. Date of observation: 16 July 1957 Time of observation: 1157 MST (1857 Greenwich) Location: Cheyenne, Wyoming Condition of sky: Scattered broken clouds in two strata at 8000 and 15000 Point of observed trails: Near the zenith. Description: Vapor trail arc developed as a very faint and narrow trail. Pattern showed a full 180 degree turn and formed in about twelve seconds. No plane or object visible ahead of trail. Unusual pattern d…
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