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foreign

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[Music]

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I'm Kayla LaFrance as one crew settles

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into their new orbital home another

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prepares to say goodbye since their

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arrival on April 27th the crew 4 crew

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members NASA astronaut Chell Lindgren

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Bob Heinz and Jessica Watkins and

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European Space Agency astronaut Samantha

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Christopher Eddie have been living and

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working aboard the station

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as their stay aboard Drew near there was

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a change of command ceremony during

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which Christopher Eddy handed over

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command of the station to crewmate

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roscosmos Cosmonaut Sergey prokabi

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I would like to hand you over officially

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the key of the space station

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during their time on orbit the members

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of crew 4 contributed to hundreds of

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experiments and Technology

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demonstrations

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the astronauts contributed to deep space

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exploration studies including testing

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aeroponic and hydroponic methods of

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growing edible crops in microgravity and

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testing of a membrane that could improve

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Water Reclamation water has some of the

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highest mass of all the supplies needed

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for space travel effective recovery for

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potable water from Wastewater is

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critical on long-term missions they also

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conducted human health investigations

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that include a study of the Aging of

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immune systems and an experiment looking

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at how a specialized diet could impact

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the immune system and gut microbiome

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their work will contribute to Future

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exploration missions and benefit those

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of us back on our home planet

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that's face to ground for this week