prime minister, who has been here in perth visiting the operation center, was cautious as well, pointing out there is a lot of rubbish out there floating out in the sea. this is what he had to say. >> there is a lot of ocean debris floating around the globe continuously. and containers do fall off ships. and so there are any other number of potential explanation as to what this -- these items actually are. >> reporter: nevertheless, we can expect to see this operation stepped up quite dramatically over the next few days. we have got those six aircraft out there today. they have been joined by two chinese aircraft, japanese aircraft, as well. as well as vessels, ships out there, including japanese and chinese ships, which will be scouring that area tomorrow. but as you point out, the weather isn't doing us any favors. we had a couple of days of flat