The ability to efficiently make war has gone from a model based on men and machines to one which is in part based on software, communications systems, and sophisticated hardware.
最先进的战争已经从人与机器的模式转变成软件，通讯系统，精密硬件的战争。
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Early in the second world war, Britain took its time to let America into the secrets of Ultra, the decryption of German secret communications by code-breakers at Bletchley Park.
During the Second World War, Redstone was part of an intelligence unit responsible for breaking the communications codes of the Japanese, which meant learning the language and culture.