Operation Popeye: extending Vietnam’s rainy season
🏛️ Official record
US Air Force (declassified after 1974 Senate hearings) · Vietnam · Laos · Cambodia, Ho Chi Minh Trail · 1967–1972
2,600+ sorties seeded silver iodide over the Trail, extending the rainy season 30–45 days on average to wash out roads and cut supply.
VerdictDirectly led to the 1977 UN ENMOD Convention banning hostile environmental modification.
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Project Cirrus: a hurricane turns after seeding
🏛️ Official record
General Electric’s Langmuir · US Army · Navy · USA, Georgia · 1947
After a departing hurricane was seeded with dry ice it sharply turned west and made landfall at Savannah, raising liability fears and going secret.
VerdictThe earliest official weather-modification attempt.
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Beijing Olympics opening-ceremony rain dispersal
🏛️ Official record
Beijing Weather Modification Office · China, Beijing · 2008-08-08
That night 1,104 anti-rain rockets were fired upstream and not a drop fell on the Bird’s Nest.
VerdictRoutine state-level ‘weather control’.
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The rainmaker Hatfield & the San Diego flood
📜 On record
San Diego city council ($10,000 contract) · USA, California · 1915–1916
The council contracted a ‘rainmaker’; torrential rain followed, a dam burst and dozens died, and the city refused payment citing ‘an act of God’.
VerdictA famous coincidence on municipal record.
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The HAARP ionospheric research facility
🏛️ Official record
US Air Force · Navy · DARPA → Univ of Alaska · USA, Alaska · 1993–
Heats the ionosphere with high-frequency waves for communications and navigation research, long accused by conspiracists of being a ‘weather/earthquake weapon’.
VerdictA real facility with no weather-control ability.
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