10073 RECORD CARD 1. DATE 23 June 1954 2. LOCATION Denver, Colorado 3. DATE-TIME GROUP Local 0330Z (N) GMT 24/0330Z 4. TYPE OF OBSERVATION □ Ground-Visual □ Ground-Radar □ Air-Visual □ Air-Intercept Radar 5. PHOTOS □ Yes □ No 6. SOURCE Civilian 7. LENGTH OF OBSERVATION 30 Seconds 8. NUMBER OF OBJECTS 9. COURSE N to S 10. BRIEF SUMMARY OF SIGHTING Like modern a/c w/swept back wings. Light green, glowing object. 11. COMMENTS B-36 a/c in area at the time of observation 12. CONCLUSIONS □ Was Balloon □ Probably Balloon □ Possibly Balloon □ Was Aircraft □ Probably Aircraft □ Possibly Aircraft □ Was Astronomical □ Probably Astronomical □ Possibly Astronomical □ Other □ Insufficient Data for Evaluation □ Unknown ATIC FORM 329 (REV 26 SEP 52)