quickly, and often in terms of what the obstacles that are presented to the flight crew. >> give us your data on the experience, the report card, if you will, on what you have seen on this search. >> well, certainly, i think the ntsb, and boeing, the australians, the folks giving the information that they have hoping against hope that the information they're getting, they're getting from honest brokers. they're pointed in the right direction. i think they have honed in on the primary area where the aircraft probably is located, as mary indicated earlier, i think they have somewhat pinpointed at least in terms of the size and scope of the debris field, an area where it could possibly be located. with the assets available, i do feel confident that once they get down there that we're going to have a good outcome in terms of retrieving the black box.