certainly important. our dask verek van dam will be a moment. i want to get a little context on this. let s bring in bill white house. he has rescuers on the ground there and joining us now, let s start by what your crews telling you about the challenges of pulling such an extensive rescue operation off. the weather, the caves they ll have to traverse, and the sec nick cal technical challenges of the dives that they ll face. what s started out is an extremely difficult and dangerous operation not only for the boys of course but for the divers under taking it as well. we know that from the tragedy the other day with the thai navy seal who died in operations going in there. obviously there s it s a long