wing. and they will give us some indication of how the plane hit the water. it looks, to many of us as though this piece might have separated from the plane before it plunged into the water because there's not a lot of compression damage to this wing. it might have separated during the last few moments of flight. >> final question and most important, perhaps, have any changes been made since the crash, presumed crash of mh370, that will make us never have to go through this again, that there will not be a missing airplane? >> individual air carriers have made changes but has there been a universal change in how we track planes over open ocean? the answer is not yet. >> well, that's a shame. that's really sad, i think. the idea there's a 777 that disappears is so tragic for those families. peter, thank you. appreciate your time. >> thank you. coming up next shocking