CNN New Day April 15, 2014 10:34:00
>> some of the mountains are beneath the sea. mr there's a plateau that has that kind of thing which is near to where they're working. >> is there a way to anticipate that? >> again, you start with a good base map and preliminary work and you work from there. you plan layer on layer getting progressively more detail over time. >> the next kind of topography and its challenges. the issue of trencheses or canyons under water. >> sure. >> that seems like that could be a real challenge for the bluefin-21. >> sure. >> what would it do? >> if the vehicle is tracking along watching ahead for obstacle...
Source: archive.org