topography, so it may take a different tool to do that. it is not clear how long they will search with the bluefin in this initial search area. the other thing to consider is that the ocean shield launching the bluefin has to eventually come in for refuelling. the caesar chavez, the u.s. navy ship is not able to refuel it at sea. >> okay, miguel, appreciate that. let's go to richard quest. i wonder if people are still talking about your interview with the malaysian prime minister. how are the families responding to what he had to say? >> well, as you might imagine the families are not exactly pleased by what they have heard. they really form into several groups. on the one hand you have those members of the families who still believe that the plane could be somewhere. that the plane landed, say, for example, in diego, garcia, or that it is in kandahar, or that it is being held hostage by some country or another. and then you have those who are