Yes - Army had impact on development. War - didnt. Even if we discuss research caused by wars i am 100% sure these would be made a lots faster without an actual

Yes - Army had impact on development. War - didnt. Even if we discuss research caused by wars i am 100% sure these would be made a lots faster without an actual war. And also - its natural army attracts some bright minds because sometimes only army has resources and money to fund research. So as long as it is used for good cause it makes sense as a symbiosis