we need to get there, find them, see them, assess them to know whether it is meaningful or not. >> on day 13 of history's longest civil aircraft disappearance what appears to be a break. the satellite sightings of two possible fragments from flight 370. >> the australian prime minister came out and said they believe they may have spotted what looks to be debris in the south indian ocean, 1500 miles from perth. this is in the general zone identified by the ntsb as a search grid they should focus on. >> then the announcement of another image of possible wreckage in the same remote area, from a chinese satellite. and soon an image foreign policy a french satellite, too. >> the depths of the water there exceed two miles. there's no radar. it is truly the middle of nowhere. >> the turbulence of waters close to antarctica means