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"HOUSTON, STATION
ON SPACE TO GROUND."

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ANOTHER WEEK OF ROBOTS
AND SPACEWALKS.

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WELCOME TO SPACE TO
GROUND, I'M DAN HUOT.

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A BIT OF DÉJÀ VU
THIS WEEK AS ROBOTIC WORK

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00:00:13,226 --> 00:00:15,996
TO INSTALL NEW BATTERIES
WRAPPED UP ON THE STATION.

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GROUND CONTROLLERS CONTINUED
USING THE DEXTRE ROBOT

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00:00:20,176 --> 00:00:23,056
TO INSTALL NEW BATTERIES FOR
THE STATION'S POWER SYSTEM.

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00:00:23,786 --> 00:00:27,646
LITHIUM ION BATTERIES REPLACED
OLD NICKEL-HYDROGEN BATTERIES

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00:00:27,926 --> 00:00:31,036
AND WILL BE USED TO STORE
ELECTRICAL ENERGY GENERATED

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BY THE STATION'S SOLAR ARRAYS

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00:00:32,976 --> 00:00:35,056
FOR USE WHILE THE
STATION IS IN DARKNESS.

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THE LAST OF THE SIX NEW
BATTERIES WAS INSTALLED

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00:00:38,696 --> 00:00:39,436
TUESDAY NIGHT.

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AS FOR THE 12 OLD BATTERIES,
THREE WILL REMAIN ON STATION

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BUT UNCONNECTED AND NINE WILL BE
PACKED INSIDE THE JAPANESE HTV-6

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TO BURN UP IN THE ATMOSPHERE
WHEN THE VEHICLE DEPARTS

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AT THE END OF JANUARY.

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AND ANOTHER FRIDAY
SPACEWALK TOOK PLACE

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FOR THE EXPEDITION 50 CREW.

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COMMANDER SHANE KIMBROUGH

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AND FLIGHT ENGINEER THOMAS
PESQUET SUITED UP THIS TIME

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AND SPENT SEVERAL HOURS
WORKING OUTSIDE THE STATION.

23
00:01:06,726 --> 00:01:08,796
THEY COMPLETED THEIR
PRIMARY TASK

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TO INSTALL THREE ADAPTER PLATES
ON THE ELECTRICAL ASSEMBLY

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WHERE THE BATTERIES RESIDE,

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AND RELOCATE ONE OLD
NICKEL HYDROGEN BATTERY

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THAT WILL NO LONGER BE USED.

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THEY ALSO CONNECTED DATA CABLES
BETWEEN THE NEW BATTERIES

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AND THE ADAPTER PLATES THAT
ALLOWED GROUND CONTROLLERS

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TO DO THEIR INITIAL
CHECKS ON THE NEW CELLS.

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AND THEY ALSO KNOCKED
OUT A FEW GET AHEAD TASK.

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THIS WAS THE FOURTH
SPACEWALK FOR KIMBROUGH

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AND THE FIRST FOR PESQUET.

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THIS WEEK, GEOFF
RYKEN ON TWITTER WANTS

35
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TO KNOW HOW LONG THE
NICKEL-HYDROGEN BATTERIES BEING

36
00:01:39,406 --> 00:01:40,826
REPLACED HAVE BEEN OPERATING.

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IT'S BEEN QUITE A WHILE, AND
THEY CERTAINLY ARRIVED IN STYLE.

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THE NICKEL-HYDROGEN
BATTERIES THAT WERE SWAPPED

39
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OUT OVER THE LAST FEW WEEKS
ARRIVED DURING SHUTTLE MISSION

40
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STS-117 WHICH TOOK
PLACE BACK IN JUNE 2007.

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RIDING IN THE BACK OF
SPACE SHUTTLE ATLANTIS,

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AN ENTIRE SECTION OF
THE STARBOARD TRUSS,

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WHICH IS THE MAIN SUPPORT
STRUCTURE, WAS DELIVERED

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AND INSTALLED USING THE
STATION'S ROBOTIC ARM.

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THE TWELVE BATTERIES
WERE ALREADY INSTALLED

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WITHIN THE NEW TRUSS
AND WERE READY

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TO STORE POWER ONCE THE CREW
DEPLOYED THE NEW SOLAR ARRAY

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THAT ALSO MADE THE TRIP UP.

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KEEP SENDING YOUR
QUESTIONS USING THE HASHTAG