Fact check
Is it true: Operation Skywatch Chemtrail Claims?
Unsubstantiated70% confidence
There's no solid evidence for it.
Draft only: separate real Cold War aircraft-observation programs from modern chemtrail claims.
The claim
Claims that historical Operation Skywatch or civil-defense aircraft observation programs prove modern chemtrail spraying.
Key evidence
Contrail persistence varies significantly between flights
UC Irvine 2016 survey: 77 of 77 atmospheric scientists found no evidence of covert spraying
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