Detailed text transcripts for TV channel - CNN - 20180315:11:57:00
Ice keels as long as 150 feet extend down from the ice sheet. americas biggest challenge, however, comes from russia. the russian military has assembled an arc of steel along its arctic coast, comprising dozens of military bases, ports and airfields, and it is building and deploying faster, quieter and more capable subs of its zone. >> have you had specific encounters, if not in the arctic, than elsewhere with russian submarines or chinese? >> again, wed never try to speak to those specific oper...
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