analyzing the data it did manage to require. it says that no objects of interest had been found. we understand that it is currently aboard the ocean shield. bad weather preventing it from being put back into the water. chris? >> thank you for the reporting. let's bring in cnn aviation analyst and former inspector general for the u.s. department of transportation mary schiavo and cnn safety analyst and former faa inspector david soucie, author of "why planes cra crash." let's start with what is not a surprise and then go with what is a surprise. what's not a surprise is that the bluefin encountered depps that were beyond is capability. fair assessment? >> fair. >> because we don't know what is the bottom of the ocean here, it hasn't been mapped. this is an unchartered mission. >> yep. just speculation as to how deep it was in the first place. yeah. >> all right. so, mary, the question becomes, how do you move forward? you calibrate the bluefin to make it go deeper but that is going to be limited. what are the steps ahead? >> well, if the bluefin cannot