1. DATE - TIME GROUP 12 May 53 12/0900Z 2. LOCATION Dayton, Ohio 3. SOURCE Civilian 4. NUMBER OF OBJECTS One 5. LENGTH OF OBSERVATION 5 Minutes 6. TYPE OF OBSERVATION Ground-Visual 7. COURSE NW 8. PHOTOS □ Yes XX No 9. PHYSICAL EVIDENCE □ Yes XX No 10. CONCLUSION BALLOON Rawinsonds Weather Balloon launch at Sulphur Grove was scheduled at 0900Z. Description and maneuvers of object are identical to weather balloon maneuvers. Winds were from the SW. 11. BRIEF SUMMARY AND ANALYSIS White half moon-shaped object with red tail light moved back and forth like a pendulum traveling slowly in a NW direction at an estimated altitude of 3,000 ft. FORM FTD SEP 63 0-329 (TDE) Previous editions of this form may be used.