AdvertisementLong before Havana Syndrome, the U.S. reported microwaves beamed at an embassyOctober 21, 2021Greg MyrefacebookEmailRussian demonstrators hold anti-American posters outside the U.S. Embassy in 2015. From the 1960s through the 1980s, the U.S. said the Soviet Union beamed microwave signals at the U.S. Embassy in an attempt to collect intelligence. (AP)