NEEMO Undersea Crew Tests Tools and Techniques For Future Spacewalks

This photograph of NASA astronaut Serena Aunon (@AstroSerena) moving tools and equipment underwater was taken during the NASA Extreme Environment Mission Operations (NEEMO) 20 mission. NEEMO 20 is focusing on evaluating tools and techniques being tested for future spacewalks on a variety of surfaces and gravity levels. via NASA ift.tt/1I7kFb3

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