bluefin-21 at the moment and this ongoing underwater search. as of this morning, it was on its 12th dive. about 90% of this narrowed search area completely scoured and ruled out. and officials are focused now as well on what comes next once that entire search operation has been completed, poppy. >> so, that is the question, what is next? the weather there not ideal once again in terms of that aerial search, but they're focusing, as you said, under water, but they only have that bluefin-21. do we know yet if they are bringing in other unmanned submersibles? >> reporter: well, it's certainly something that the australian and malaysian authorities are discussing. we know that they are right now trying to hammer out some sort of longer-term agreement based on a proposal from malaysian officials that would involve broadening the search area, potentially introducing more underwater assets to the search.