flight 370 there's a lot going on right now. experts are analyzing new possible debris found in the search zone in the southern indian ocean. these are the actual photographs. these are not satellite images. several ships are heading to the area to recover objects that were spotted. and i asked the new zealand air commander just moments ago about all of this. >> in about two hours' time, there will be four ships in the area. >> and there may be a new potential for a break in the investigation three weeks after the jet vanished. our correspondents and analysts, we have a lot of new information to share and put into context. they're here in "the situation room" and around the world covering all the breaking story. first, let's go to our chief national security correspondent jim sciutto. jim? >> well, wolf, we may now know why the search for that malaysian airliner has come up empty so far.