think the "ocean shield" needs to refine the location. you already have four detections and you say you need more detections to refine the location and second, do you have more information regarding the detection we received about the chinese ship and do you think it is a reliable one? >> in terms of "ocean shield," the more detections we get, the better. the other thing that comes in to it is the quality of the transmission and the detection. what we are after is the best return that we can get. by triening a la triangulating data we will come up with a more sharply defined, much smaller search area underwater. bear in mind, that the time