joining us is edward howell, a lecturer in politics at the university of oxford.awrence adjoins is from washington dc, he is a senior fellow at the center of american progress and a former u.s. says -- assistant secretary of defense. we begin with mason in alabama. there is no other way of reading this other than north korea tested south korea's cell -- defense capabilities and one, that correct? >> that is a fair argument. i think this is drone incursion by north korea shows something that frankly speaking many people had already expected that there were holes in south korean air defense. particularly for these are smaller drones. this has been a pretty big embarrassment for the ministry of national defense for south korean military. it also exposes several years, or perhaps even more than that neglect on this type of asymmetric threat that north korea represents for south korea. it also falls into a line of errors and mistakes we have seen in the south korea military make -- seen the south korean military make. this whole response that south korea made that went