CNN Anderson Cooper 360 December 30, 2014 01:34:00
France flight after it crashed into the ocean. this is the initial shot of the air france debris captured by the rina 6000. >> they can go up and down mountains that are up to 40 degrees in slope. they are very stable so you get good data almost all the time. >> reporter: another that could be used the dorado based at the monterey bay aquarium in california where stephanie elam visited. >> this is good to 6,000 meters dope and inside we have all this sonar electronics. >> reporter: the other option is manned submarines or submersibles. this vehicle, that resembles a shasship is the johnson sea...