ISS astronauts prep to collect microorganism samples during

Two NASA astronauts will venture outside the International Space Station today (June 13), and you can watch the action live.

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Matthew Dominick , Dina Contella , Jeanette Epps , Tracy Caldwell Dyson , Mike Barratt , Butch Wilmore , Dominick , International Space Station , Crew Flight Test , Suni Williams ,