http://en.wikipedia.org/wiki/Starfish_Prime In 1962, a U.S. high-altitute (400km!) nuclear test knocked out one-third of the satellites in low earth orbit, including the first commercial communications satellite, Telstar. 23:25
http://en.wikipedia.org/wiki/Starfish_Prime In 1962, a U.S. high-altitute (400km!) nuclear test knocked out one-third of the satellites in low earth orbit, including the first commercial communications satellite, Telstar. 23:25