CNN The Situation Room April 10, 2014 22:05:00
The hms echo, though, its got a two-mile-wide coverage. its not high resolution like the bluefin submersible, but way broader brush strokes, if you like, and much faster. weve talked before about the silted bottom down there. perhaps meters of silt at the bottom. that would give off this echo from hms echo would give a soft signal back, if you like. now, that means that if there is a plane down there or wreckage down there, it would give off a hard signal. so its obviously out there to sort of h...
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