You don't have to kill someone in line of sight with it to argue that a technology is a vital military asset. Nor has it to be its sole purpose. PS: Obligatory

You don't have to kill someone in line of sight with it to argue that a technology is a vital military asset. Nor has it to be its sole purpose. PS: Obligatory Enigma reference: https://en.wikipedia.org/wiki/Ultra https://en.wikipedia.org/wiki/Ultra PPS: I'm not saying encryption should regulated by the government.