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"HOUSTON, STATION
ON SPACE TO GROUND."

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WELCOME TO SPACE TO GROUND,
I'M KATHRYN MCLAURIN.

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IT'S ALWAYS HARD TO SAY GOODBYE,

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BUT THE EXPEDITION 54 CREW
DID JUST THAT AS THEY RETURNED

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TO EARTH EARLIER THIS WEEK.

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NASA ASTRONAUTS MARK VANDE
HEI AND JOE ACABA AS WELL

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AS RUSSIAN COSMONAUT ALEXANDER
MISURKIN SAID THEIR FAREWELLS

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BEFORE UNDOCKING THE
SOYUZ MS-06 SPACECRAFT

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FOR THE RETURN JOURNEY TO EARTH.

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THE CREW SAFELY LANDED TUESDAY
EVENING AT 9:31 EASTERN TIME

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IN A REMOTE PART OF KAZAKHSTAN.

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THIS CREW MARKED THE BEGINNING
OF THE FIRST LONG-TERM INCREASE

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IN CREW SIZE ON THE
U.S. SEGMENT.

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THIS ENABLED NASA TO DOUBLE
THE TIME DEDICATED TO RESEARCH

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AND ACHIEVE A RECORD
SETTING WEEK

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OF OVER 100 HOURS OF
RESEARCH IN SPACE.

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IN ADDITION TO RESEARCH THE CREW
WELCOMED FOUR CARGO SPACECRAFT,

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PARTICIPATED IN MULTIPLE
SPACEWALKS AND DOZENS

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OF EDUCATIONAL EVENTS
AS A PART OF NASA'S YEAR

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OF EDUCATION ON STATION.

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WITH ONE CREW HOME SAFE, ANOTHER
CREW IS PREPPING TO LAUNCH.

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NASA ASTRONAUTS RICKY ARNOLD AND
DREW FEUSTEL AND OLEG ARTEMYEV

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OF ROSCOSMOS ARE
IN THE FINAL WEEKS

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OF TRAINING BEFORE THEY LAUNCH
TO THE STATION IN LATE MARCH.

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THIS WILL BE THE SECOND FLIGHT
TO THE STATION FOR THE TRIO,

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AND THE FIRST LONG-DURATION
STAY FOR ARNOLD AND FEUSTEL.

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ARTEMYEV WAS A FLIGHT
ENGINEER DURING EXPEDITION 39

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AND 40 IN 2014.

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THEY WILL JOIN ANTRON
SHKAPLEROV, SCOTT TINGLE

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AND NORISHIGE KANAI
ABOARD THE STATION

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TO COMPLETE THE EXPEDITION
55 CREW.

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THIS WEEKS TWITTER QUESTION
COMES FROM MEISHA WHO WANTS

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TO KNOW WHAT THE ASTRONAUTS
DO WITH THE GARBAGE ON ISS.

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AS YOU CAN IMAGINE, THERE ARE
NO GARBAGE TRUCKS SWINGING

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BY THE STATION ONCE A
WEEK TO COLLECT THE TRASH.

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ASTRONAUTS PACK AND ORGANIZE
ANY WASTE ON CARGO VEHICLES

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LIKE ORBITAL ATK'S CYGNUS,
A RUSSIAN PROGRESS VEHICLE

38
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OR A JAPANESE HTV SPACECRAFT.

39
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ONCE THESE VEHICLES ARE
RELEASED, THE THOUSANDS

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OF POUNDS OF TRASH,
INCLUDING FOOD CONTAINERS

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AND DIRTY LAUNDRY, BURN
UP IN THE ATMOSPHERE

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OVER THE PACIFIC OCEAN.

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AND EVEN THOUGH THEY ARE
BACK ON EARTH, JOE ACABA

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AND MARK VANDE HEI ARE
CONTINUING THEIR YEAR

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OF EDUCATION ON STATION WITH
A TWEET CHAT ON MARCH 6TH.

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THEY WILL BE TALKING WITH
THEIR SOCIAL MEDIA FOLLOWERS

47
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ON THEIR INDIVIDUAL ACCOUNTS
WITH THE HASHTAG #ASKASTRO.

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JOE WILL ANSWER QUESTION
FROM @ASTROACABA FROM 1:15

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TO 1:45 PM CENTRAL TIME AND
MARK WILL ANSWER QUESTIONS

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FROM @ASTRO_SABOT AT
2:55-3:30 PM CENTRAL TIME.