>> there will come a time that we may need to regroup and reconsider. but in any event, the search will always continue. it's just a matter of approach. >> the u.s. navy underwater drone the bluefin 21 today completed its first full scan of the ocean floor after its first two missions were cut short by technical problems. the data from the bluefin 21 is being analyzed. let's talk about what might be on it. let's go live now to aron mclaughlin in perth. when do we expect to get full results from the first day on the ocean floor, and when might it begin its next full day on the water? >> reporter: hi, john. well, no timetable has been given for that analysis of those results. also, we don't know exactly when they're going to put the bluefin