U.S. Air Force Analysis of Flying Objects in the United States, 1-100
DOW-UAP-D087 · page 152 of 253
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CHECK-LIST - UNIDENTIFIED FLYING OBJECTS Incident # 52 1. Date 29 July 47 2. Time 1450 3. Location Hamilton Fld., Calif 4. Name of observer Capt. William B. Ryherd 5. Occupation of observer Capt. USF - Assistant Operations Officer 6. Address of observer Hamilton Fld 7. Place of observation Hamilton, Flt., Calif. 38° 03' N 122° 31' W 8. Number of objects 2 9. Distance of object from observer observe from ground 10. Time in sight N/S 11. Altitude 8,000 - 10,000 ft 12. Speed very fast - makes P-80 look as if it were motionless 13. Direction of flight Southward toward Oakland 14. Tactics 1st object pursued horizontal flight; 2d object seemed to be going from left to right and right to left 15. Sound like guards in aircraft formation No sound heard 16. Size 15-25 ft in diameter 17. Color white shiny 18. Shape circular like a ball 19. Odor detected N/S 20. Apparent construction N/S 21. Exhaust trails None 22. Weather conditions Clear 23. Effect on clouds N/S 24. Sketches or photographs None 25. Manner of disappearance Disappeared in flight 26. Remarks: (over)