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(CNN) – It has now been six weeks since Malaysia Airlines flight MH370 disappeared, along with the 239 people on board.
The U.S. Navy's underwater drone is now on its sixth trip scanning the ocean floor, the first five turned up no trace of the Boeing 777, or its so-called black boxes.
Now, as search crews continue to shift their focus below the surface, Malaysia says the Bluefin-21 could finally get a little help.
CNN's Pamela Brown has all the latest developments.