to this flight. to see that video, to see that search and the recovery of it. >> yes, absolutely. and that will be the last step in this whole story is when the rov eventually gets down on to the seafloor and hopefully recovers the data recorders. if they're not able to be located then starts to bring back to the surface some fairly large and crucial pieces of equipment of the aircraft that can be forensically analyzed. but let's hope for the black boxes. that would be the ultimate goal. >> rosa? >> now, one of the things we can add is if the pingers stopped pinging, these rovs are equipped with high-resolution cameras. so if we're able to find the debris and science is able to backtrack and give us a narrow search of where this wreckage is, we could send vehicles like this, not only aubs which we discussed earlier, but rovs. aubs take a picture of it, a