Detailed text transcripts for TV channel - MSNBC - 20140407:09:03:00
There is 2.8 miles deep and that is roughly the limits of the operation of that -- of the underwater vehicle they're carrying. so it may entail them taking out other submersibles. at the same time, the battery life on the black box is beginning to run out. they talk about it being for 30 days. we don't know how much more life there is in the black boxes. so certainly there are still challenges as they try and reacquire that signal, francis. >> certainly a crucial next couple of days. thank you so mch. it's being called a potential break through in the treatment of advanced breast cancer. the n...
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