NASA to Host Human Exploration Rover Challenge via NASA http://t.co/WOgRLP5Ezm: NASA to Host Human Exploration... http://t.co/AKNbDGWHqn

NASA to Host Human Exploration Rover Challenge via NASA http://t.co/WOgRLP5Ezm: NASA to Host Human Exploration... http://t.co/AKNbDGWHqn

— John Prieto (@prietoj) April 13, 2015

from Twitter https://twitter.com/prietoj



April 13, 2015 at 10:38AM

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