a shock wave. it blocks air. now the air can no longer go the way it was. it goes up and over. it goes back here like that. we get all this air behind it. it flutters back in this surface. eventually it lets go and breaks here and here. where did we see the barnacles? that's where we saw them. sthk is the scenario you think happened. it didn't glide, it went in a fast downward spiral? >> right. when investigators tried to find the search area the aircraft continued to glide. it can glide 70 or 80 miles. that search area was expanded wide. if this is true if the theory pans out, it is going to have a dramatic effect on the search area. a lot of the area has been looked at. the areas that haven't been out in this area -- >> yeah. that has not been, you are