more about the surface of the moon than the ocean floor in that part of the indian ocean. now the bluefin-21 went down there. the best guess that they had was that the ocean floor might be 42 to 4400 meters down. well, the blue fin got to 4500 meters down, and that triggered an internal mechanism, a safety mechanism, if you like, in the blue fin, which said i'm too deep, i'm below my operating maximum, i have to go back up to the surface. it went back up to the surface after only six hours of going along the bottom and starting to map that surface with its side scan sonar, back to the top they've been downloading the data and analyzing it. and they'll be sending it back down soon. it is, as we've reported all along, a very laborious process, about 15.5 square miles on each of these trips. one other interesting observation, the ships that have