david is a director of special projects at the oceangraphic institution. he led the efforts to find air france 447. nice to see both of you this morning. such an important day. mary tell us what your thoughts were when you heard that this piece of debris was found off the coast of madagascar? well, my initial thoughts were there were two of the missing malaysian plane, but there was also another crash in the area back in 2009 but that was an airbus. so from the hearing of that piece of plane being found, i thought, well, at this point it s kind of a 50/50 chance. and with the news yesterday that boeing said it was consistent with the 777, that was highly significant because the 777 was such a unique airplane when first certified to fly back in 1995. it was completely redesigned from previous planes and it was computer designed. so that would be unique in the 777 being a unique plane. and there were only four