CNN Anderson Cooper 360 March 20, 2014 00:27:00
Days still. we had backtracking data and we also knew that there were four minutes of acars data before everything went silent. so that gave us four minutes of full speed, 40-mile radius circle. that was the haystack in which to find the bits of the needle. the area they're looking at now, the sea floor there, we know that kind of sea floor very well. it's volcanic terrain. southeast indian ridge. it's not particularly difficult. it's deep, but those vehicles, these autonomous underwater vehicles are perfectly equipped to map that kind of terrain. >> and these vehicles, would they pick up the ...