CNN Chicagoland April 6, 2014 00:04:00
What does that -- what do you mean? >> well, you know, it's one of these things you don't know until you actually get out there into the area and find out for yourself. it's tough to predict without having more oceangraphic information. what's the thermal structure of the water, what does that look like? what do the currents look like? what does the topography look like? where's the location of the pinger and the receiver? it's all that stuff. we don't have any of that information. >> richard, we're looking at them -- put this microphone in the water like this. very rudimentary. the chinese ar...
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