in fact it is something else that is been thrown overboard by a passing ship. there seems to be a high level of confidence this was not the usual marine oil. this was something different. there seems to be a little bit of a level of confidence that this might be, might be the first piece of debris, if you like, that we find from 370. i want to get your thoughts on this, geoffry. underwater recovery expert david muir said i think they have found think wreckage site and he s been on the show with us before. you have spoken with him. we all have. why are he and other officials so confident about this? david is probably one of the best and most respected wreck hunters in the world, along with people like mr. ballard. he found the hms wood, he found hms sydney off the australian