4 ms·

The US was doing it on the Soviets and Chinese in the 50s: https://www.atlasobscura.com/articles/cold-war-balloon-surveillance https://www.atlasobscura.com/arti

• throwaway67743 4y ago
  Yeah, but actually the Soviets started before then even, pioneers really - just like the Nazis pioneered a lot, but we can't possibly acknowledge that because they're evil