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(CNN) – The pinger batteries on missing Malaysia Airlines Flight 370's black boxes only have an estimated 30 days of power in them.
Yet here we are, on the 32nd day since the plane vanished with 239 people aboard.
A coalition of nations is discussing whether to send a supply ship to the region to service other ships, so that searchers don't have to come back into port, a U.S. official tells CNN.
CNN's René Marsh reports.