i want to bring and jeffrey thomas. also a safety analyst, david soucie. angus houston said they had some data that arrived only recently. did it sound to you they add new information and new line analysis on this old data? >> it does. like the other experts on the panel, great confidence in what we had. it was very measured, it was of beet and from what i am hearing, they are getting new data, being refined. and there seems to be an air of confidence that it is a big notion but we're getting closer and closer to where the airplane might be. >> i'm interested, you keep saying it is a real milestone in the investigation. specifically what bank is used in said to make you be so optimistic. >> you talk about the planning