malaysian authorities will travel to the united states to ask for more military equipment. the batteries on the plane's black boxes will start to die on saturday. in the meantime, the high-tech australian ship, ocean shield, is on the way to the search area equipped with a u.s. navy ping dete detector. paula is live with more. >> reporter: good morning, carol. it is a good thing that that "ocean shield" is on the way to the search zone. the problem is, it still can't do its best work, what it is meant to do, until they find a way to narrow that huge swath of ocean now being searched. the "ocean shield" is ready and hours from sailing off to a search zone that so far has yielded no trace of flight 370. the australian ship will be the