CNN CNN Newsroom April 14, 2014 14:03:00
Intense, it crushes a styrofoam cup to a fraction of its size. the missing plane is believed to be 4500 meters, nearly 15,000 feet down. >> it's flat and the saidment is silt. >> reporter: this will test the limits of the bluefin 21. >> patience, people need to have patients. >> reporter: he says one mission takes 24 hours. four hours of scan is data from the ocean floor. >> you see the traces of the outlines of the objects. >> reporter: his team also took this video of what the next step, the salvage phase would look like. under water robots would pull