Declassified UFO / UAP Document
PROJECT 10073 RECORD CARD - 18 March 1963
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AI-Generated Summary
The SS Plainsman reported an unidentified object exploding in the sky and upon water impact near Puerto Rico on March 18, 1963. The Air Force recorded the event under Project 10073 but concluded there was insufficient data for analysis.
On March 18, 1963, at 0140Z, the crew of the SS Plainsman observed an unidentified object in the sky at coordinates 17.55N 57.40W, near San Juan, Puerto Rico. According to the report, the object exploded in the sky, followed by a second explosion upon striking the water. The Master of the vessel initiated a search of the area. This incident was documented by the Department of the Air Force under Project 10073. Subsequent military communications indicate that the report was forwarded to various commands, including CINCNORAD and the 72nd Bomber Wing at Ramey AFB. Ultimately, the official conclusion recorded on the project card was that there was insufficient data for evaluation, as the results of the search were never received and no further information was provided.
AT 0140Z 19TH UNKNOWN OBJECT EXPLODED IN SKY. FURTHER EXPLOSION ON STRIKING WATER 17.55N 57-40W. AM SEARCHING AREA. SGD MASTER UNQUOTE
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Official Assessment
Insufficient data for evaluation
The object exploded in the sky and again upon striking the water. A search was conducted by the reporting vessel, but no further information was received.
Witnesses
- MasterMasterSS Plainsman
Key Persons
- MasterReporting officer from SS Plainsman