Convention Ar News Today

>> reporter: the american commanders here say their prime mission remains deterrence but they are ready to act, if necessary. >> if north korea launched a rocket, and if we did not know whether it was a satellite or a warhead on top, we, united states, would likely try to shoot it down. in response, north korea will try a number of things, in part by sending artillery fire into south korea. right away you have a major convention ar war on our hands. >> reporter: the while the posture of the 28,0...