>> reporter: there's no guarantees about that. history is exactly what you said. it has happened before in iraq. it has happened in afghanistan. they are making every effort this time. they believe there is new iraqi military leadership new generals in charge that will be much more competent than who was in charge when isis began its sweep. >> i've spoken to so many u.s. military personnel who are so angry and frustrated when they see isis terrorists riding around in u.s. tanks using u.s. weapons that iraqi soldiers abandoned. coming up following signs of a dangerous new breakthrough in north korea's military build-up. could their long-range rockets soon be tipped with intelligence? and at the top of the hour live updates from indonesia where a new day of searching for wreckage of the airasia jet is now about to get under way.