NASA’s OSIRIS-REx Mission Passes Critical Milestone via NASA http://t.co/jvm1N0HqLp

NASA’s OSIRIS-REx Mission Passes Critical Milestone via NASA http://t.co/jvm1N0HqLp

— John Prieto (@prietoj) March 31, 2015

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March 31, 2015 at 02:17PM

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