CNN CNN Newsroom April 14, 2014 13:33:00
Sort of data? >> reporter: what happens is a full mission takes about 24 hours, two hours down, it scans the bottom of the ocean using the side scan sonar and two hours to get back up. while that is happening, everybody on the ship is basically sitting and waiting. there's no realtime data exchange. once the submersible comes back up on the ship, it takes about four hours to download everything. that's when they start poring over all the data. >> david, this unmanned sub is tiny, 16 feet long, 21 inches wide. it's been used only once before for this kind of operation, but not under these circu...
Source: archive.org