Там не написанно что пришла, там написано что было сделано. Original thinking ..... was done by Soviet military. А не - original thinking ..... come from Soviet military. Это как говорится по разному можно воспринимать в контексте текста ..
"What is less well known _especially in America — is that much of the original thinking on these matters was done by the Soviet military as far back as the 1970s when officers wrote about what was then called a `military technical revolution,'" he said.