government salutes, that you return that. reporter: one term military official says the cost of that was far too high. the fact that he would use it with a north korea general, a country that has killed u.s. citizens, has killed soldiers of south korea, i think it s going to be pretty stunning. and it not only sends a propaganda message that the north koreans can use. i have to ask what does this say to our men and women in uniform and those of our allies as well? reporter: it s not just the salute turning heads. the north korean propaganda video is filled with spectacular vistas of singapore, gleaming streets, skyscrapers, a bustling port, stores and restaurants. could kim be taking a risk showing the video to north koreans? and letting them see what life is like in an open society so different from their repressive regime? north korea s really showing its people that this is our future. we could get here with proper support of our leader and support of his policy of