Detailed text transcripts for TV channel - MSNBC - 20150327:20:56:00
Long-term space flight on humans. a a astroe a astronauts will spend a full year in space. his identical brother mark will undergo the same physical testing here on earth. joining me now by phone from kazakhstan, captain mark kelly. good day to you. how are you feeling? >> well i'm feeling great. i didn't just launch in a rocket though so for me watching from the steps of kazakhstan, it was pretty incredible to see my brother blast off into space on his
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