CNN Wolf Blitzer Reports March 23, 2014 18:54:00
Those pings yesterday. they are not very loud. >> they occur in a frequency range not common, that helps resolve it against background noise. there is a problem having to be over the top of it. it assumes all things ideal, density layer, those can act as a mirror and reflect sound away. >> all of a sudden lets say we find something and have to be below. there as ship, not just ro v attached to a ship pitching and rolling. >> you always have to deploy off a ship. even to deploy it off the ship you need ideal conditions. you use a special kind of crane to lower the robot. to do that conditions a...
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