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00:00:02,920 --> 00:00:04,880
"HOUSTON, STATION ON SPACE TO GROUND."

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WELCOME TO SPACE TO
GROUND, I'M ISIDRO REYNA.

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THIS WEEK, A RUSSIAN CARGO
CRAFT DEPARTED

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THE INTERNATIONAL SPACE STATION.

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THE PROGRESS 74 RESUPPLY
SHIP WAS PACKED WITH TRASH

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AND OBSOLETE GEAR
BEFORE IT UNDOCKED

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FROM THE STATION ON JULY 8.

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THE VEHICLE HAD BEEN ATTACHED

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TO THE ORBITING LABORATORY
SINCE DECEMBER 9, 2019

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00:00:23,140 --> 00:00:26,456
BRINGING NEARLY THREE
TONS OF FOOD, FUEL AND SUPPLIES

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00:00:26,460 --> 00:00:27,660
FOR THE STATION'S RESIDENTS.

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AFTER SEPARATING
FROM THE STATION,

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THE PROGRESS FIRED ITS DEORBIT
ENGINES OVER THE SOUTH PACIFIC

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TO BURNED UP SAFELY IN
THE EARTH'S ATMOSPHERE.

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PROGRESS 76, THE NEXT CARGO
SHIP TO REPLENISH THE CREW,

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IS SCHEDULED TO LAUNCH
ON JULY 23 AND DOCK

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TO STATION JUST TWO
ORBITS LATER.

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THE EXPEDITION 63 CREW
STAYED BUSY THIS WEEK,

19
00:00:47,840 --> 00:00:51,180
CONDUCTING A HABITABILTY TEST
OF THE CREW DRAGON ENDEAVOUR.

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DOUG HURLEY AND BOB BEHNKEN
PERFORMED A SERIES OF TESTS

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TO VERIFY CREW DRAGON'S FEATURES
AND FUNCTION'S WHILE IN ORBIT

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AROUND EARTH, INCLUDING
OPENING AND CLOSING THE HATCH,

23
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OPERATING DRAGON'S WASTE
SYSTEM, DONNING THEIR SPACESUITS

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AND MOVING CARGO BACK
INTO THE VEHICLE.

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THEY WERE ALSO JOINED
BY 2 MORE CREW MEMBERS

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TO TEST DRAGONS'S
SLEEPING CONFIGURATION

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TO ASSESS THE SPACECRAFT

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AND DETERMINE WHAT IMPROVEMENTS
COULD BE MADE FOR FUTURE CREWS.

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THE DEMO-2 MISSION IS THE
FINAL MAJOR STEP BEFORE NASA'S

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COMMERCIAL CREW PROGRAM
CERTIFIES CREW DRAGON

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FOR OPERATIONAL, LONG-DURATION
MISSIONS TO THE SPACE STATION.

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THIS CERTIFICATION
AND REGULAR OPERATION

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OF CREW DRAGON WILL ENABLE NASA

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TO CONTINUE THE IMPORTANT
RESEARCH

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AND TECHNOLOGY INVESTIGATIONS
TAKING PLACE ONBOARD THE

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STATION, WHICH BENEFITS PEOPLE
ON EARTH AND LAYS THE GROUNDWORK

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FOR FUTURE EXPLORATION
OF THE MOON AND MARS.

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THIS WEEK'S QUESTION
COMES FROM CHRIS.

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HE WANTS TO KNOW HOW MANY
PEOPLE CAN THE STATION HOLD

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AT ANY GIVEN TIME.

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THE SPACE STATION HAS
BEEN CONTINUOUSLY OCCUPIED

42
00:01:49,966 --> 00:01:51,206
SINCE NOVEMBER 2000.

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INTERNATIONAL CREWS UP TO SIX
PEOPLE HAVE LIVED AND WORKED

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ON STATION, BUT WITH THE DAWN
OF THE COMMERCIAL CREW PROGRAM,

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THAT TOTAL WILL LIKELY INCREASE.

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THE LIVING AND WORKING SPACE
IN THE STATION IS LARGER

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THAN A SIX-BEDROOM HOUSE AND FOR
NOW, HAS SIX SLEEPING QUARTERS,

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TWO BATHROOMS, A GYM, AND A
360-DEGREE VIEW BAY WINDOW.

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THE RECORD FOR THE LARGEST
POPULATION ON STATION WAS SET

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IN 2009, WHEN 13 ASTRONAUTS
AND COSMONAUTS WERE ONBOARD.