USAF record 28962591 (1955)

UFOB INDEX CARD AISOP-UFOB-198-55

1. DATE 1 July 1955

2. LOCATION 50 Miles SE of Sacramento, Cal.

3. DATE-TIME GROUP Local [ILLEGIBLE] July 1955

4. TYPE OF OBSERVATION Ground-Radar

5. PHOTOS No

6. SOURCE Military (Pilot)

7. LENGTH OF OBSERVATION One (1) Minute

8. NUMBER OF OBJECTS One (1)

9. COURSE Straight Down

10. BRIEF SUMMARY OF SIGHTING One (1) object, similar to an a/o at a distance estimated to be a fighter a/o, appeared to be silver in color. Fell straight down but no indication of explosion as striking ground. Ground-radar and air-visual sighting.

12. CONCLUSIONS Was Balloon Possibly Balloon Possibly Balloon Was Aircraft Possibly Aircraft Possibly Aircraft Was Astronomical Probably Astronomical Possibly Astronomical Other: Insufficient Data for Evaluation Unknown