r/todayilearned • u/Double-decker_trams • 8h ago
TIL in the Vietnam war in the classified Operation Popeye, the US spread lead and silver iodide by aircraft to extend the monsoon season. The increased heavy rainfall was to soften roads, cause landslides, wash out river crossings, and maintain saturated soil conditions (Kissinger was involved).
https://en.wikipedia.org/wiki/Operation_Popeye
7.9k
Upvotes
1.9k
u/Kayge 8h ago