As can be seen, the US Air Force concluded there that Arnold saw a mirage.
			 
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PROJECT 10073 RECORD  | 
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| 1. DATE - TIME GROUP 24 Jun 47  | 
		2. LOCATION Mt. Rainier, Washington  | 
	
| 3. SOURCE Civilian  | 
		10. CONCLUSION Other (MIRAGE) KENNETH ARNOLD SIGHTING  | 
	
| 4. NUMBER OF OBJECTS Nine  | 
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| 5. LENGTH OF OBSERVATION 2.3 - 3 minutes  | 
		11. BRIEF SUMMARY AND ANALYSIS Observer sighted a large circular objects heading west. They appeared as mirror-like reflections which dipped and twisted at a very high rate of speed. SKETCHES WERE MADE. SEE CAS FILE  | 
	
| 6. TYPE OF OBSERVATION Air-Visual  | 
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| 7. COURSE West  | 
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| 8. PHOTOS No  | 
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| 9. PHYSICAL EVIDENCE No  | 
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| FORM FTD SEP 63 0-329 (TDE) Previous editions of this form may be used.  | 
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