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CNN's George Howell reports on the massive resources being used in the rescue and recovery efforts in Washington.
CNN's Brian Todd discusses the scattered 122 objects and the techniques investigators are using to locate them.
More than 20 days after MH370 went missing, search teams have still not discovered any sight of debris in the southern Indian Ocean - and many are now questioning if the plane parts might have sunk, making the search that much more difficult. CNN's Rene Marsh examines whether such debris from a plane would normally sink or float.