1. DATE 2. LOCATION 12. CONCLUSIONS 28 March 1957 San Antonio, Texas X Was Balloon □ Probably Balloon 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION □ Possibly Balloon Local □ Ground-Visual □ Ground-Radar GMT 29/0116Z □ Air-Visual □ Air-Intercept Radar □ Was Aircraft □ Probably Aircraft 5. PHOTOS 6. SOURCE □ Possibly Aircraft □ Yes X No Civilian □ Was Astronomical □ Probably Astronomical 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE □ Possibly Astronomical 10 15 minutes one stationary then up □ Other 10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS □ Insufficient Data for Evaluation One object, shape of large star, size Believe this sighting caused □ Unknown of baseball, color white and very bright by suns reflection on skyhook turned pink as the sun went down. A balloon. shaft appeared fm the top. Obj stationary ary then went up. There was a (skyhook) balloon released fm San Angelo, Texas 16 min previous to sighting.