CNN CNN Special Report April 2, 2014 05:37:00
And the longer that we go without finding anything, the lower the probability is that we will find something. >> i think it's interesting, tim taylor, there's so much apparatus in the air that they're bringing out an air traffic control plane. they're bringing in submarines and what have you. is there control for that sort of thing? >> underwater, the submarines, if there's only one submarine, i'm sure there's not a bunch of control. >> but there are also submersibles and other boats and assets out on the water. >> when they're launched, they have pingers on them, so they have an acoustic sign...