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"HOUSTON, STATION ON SPACE TO GROUND."

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WELCOME TO SPACE TO GROUND, I AM KAYLA LAFRANCE.

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THIS WEEK THE SPACE STATION CREW WENT ON TWO SPACE WALKS AS PART OF A MARATHON OF EXTRAVEHICULAR

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TASKS TO UPGRADE THE STATION.

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ON SUNDAY, NASA ASTRONAUTS CHRISTINA KOCH AND ANDREW MORGAN TEAMED UP AND VENTURED OUT

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OF THE QUEST AIRLOCK FOR A 7 HOURS AND 1 MINUTE SPACEWALK.

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THE PAIR OF SPACEWALKERS KICKED OFF THE LATEST ROUND OF UPGRADES TO THE STATION’S EXTERNAL

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BATTERIES, SWAPPING OUT NICKEL-HYDROGEN BATTERIES WITH NEW LITHIUM-ION ONES.

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WORKING AT THE P-6 TRUSS ON THE OUTER REACHES OF THE STATION, THE DUO OF SPACE WALKERS RELOCATED

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3 OF THE OLD NICKEL BATTERIES, INSTALLED 2
NEW LI-ION BATTERIES, AND INTEGRATED AN ADAPTER

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PLATE TO ONE OF THE NEW BATTERIES.

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KOCH AND MORGAN VENTURED OUTSIDE AGAIN ON FRIDAY TO CONTINUE THEIR BATTERY REPLACEMENT

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WORK AT THE P-6 TRUSS SITE.

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ON THIS EVA, MORGAN WAS IN THE EV1 ROLE AND LED THE TWO AS THEY INSTALLED MORE LITHIUM

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ION BATTERIES AND THEIR ADAPTER PLATES WHILE RELOCATING NICKEL BATTERIES FOR STORAGE OR

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DISPOSAL.

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THERE ARE 3 MORE SPACEWALKS PLANNED TO FINISH THE WORK BEFORE THE MONTH IS OUT TO COMPLETE

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THE POWER UPGRADE.

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BE SURE TO TUNE INTO NASA TV ON OCTOBER 16
AT 6:30 AM EASTERN TO WATCH NASA ASTRONAUTS

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ANDREW MORGAN AND JESSICA MEIR PARTNER UP FOR THE NEXT PLANNED EVA.

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THIS WEEK’S QUESTION COMES FROM PAULA VARGAS, WHO ASKED IF THERE WAS ANY SPECIAL RESPONSIBILITIES

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WITH BEING EV1 VS. EV2?

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EV1 IS USUALLY THE MORE EXPERIENCED CREWMEMBER.

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EV1 WILL OPERATE THE EV, OR EXTRAVEHICULAR HATCH WHILE EV2 WILL OPERATE THE UIA, OR THE

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UMBILICAL INTERFACE ASSEMBLY, WHICH IS THE
INTERFACE BETWEEN THE AIRLOCK AND THE SPACE SUITS.

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WHEN WE HAVE MULTIPLE SPACEWALKS, LIKE RIGHT NOW, THE CREW WILL SWITCH THOSE ROLES SO THAT