NASA Administrator Pays Tribute to Astronaut Scott Kelly via NASA https://t.co/MDmUsBaWDq

NASA Administrator Pays Tribute to Astronaut Scott Kelly via NASA https://t.co/MDmUsBaWDq

— John Prieto (@prietoj) March 11, 2016

from Twitter https://twitter.com/prietoj

March 11, 2016 at 04:54PM
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