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>> [ MUSIC ]

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>> CREW-4 IS THE FOURTH

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CREW ROTATION FLIGHT

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FOR THE SPACEX DRAGON VEHICLE.

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>> CREW-4'S GOALS ARE TO SAFELY

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AND SUCCESSFULLY GET TO

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THE INTERNATIONAL SPACE STATION,

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AND THEN TO SPEND

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THE ALLOTTED TIME

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LIVING AND WORKING IN SPACE,

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MEETING ALL OF THE PLANNED

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RESEARCH, AND SCIENCE,

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AND MAINTENANCE GOALS

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OF THE SPACE STATION PROGRAM.

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>> WE ARE ALL SUPER EXCITED

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ABOUT THE OPPORTUNITY TO FLY

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ON A CREW DRAGON SPACECRAFT.

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THAT VEHICLE IS A, UH, SUPER

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COMPLEX, MODERN VEHICLE

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THAT ENABLES US TO GET TO SPACE

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EFFICIENTLY AND SAFELY.

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>> UH, MY ROLE AS PILOT

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ON THE, UH, DRAGON VEHICLE

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IS PRIMARILY TO MONITOR

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AND MAINTAIN THE SYSTEMS

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OF THE VEHICLE ITSELF.

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TO GET A CHANCE TO PILOT

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ONE OF THE NEWEST VEHICLES

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ON OR OFF THE PLANET

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IS A TRUE HONOR.

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>> GETTING SELECTED FOR CREW-4

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WAS, UH-- WAS AMAZING,

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BECAUSE IT-IT'S AN OPPORTUNITY

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TO GO BACK TO

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THE INTERNATIONAL SPACE STATION

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AND EXPERIENCE THE GAIN--

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THAT TRANSFORMATION FROM BEING

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AN EARTHBOUND CREATURE TO BEING

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THIS SPACE-LIVING CREATURE.

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WHEN YOU GET TO SPACE STATION,

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YEAH, THE FIRST THING

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THAT REALLY STRIKES IS THIS

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FEELING OF WEIGHTLESSNESS.

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>> I'M SO EXCITED TO REVISIT

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THE SPACE STATION.

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IT WAS HOME FOR FIVE MONTHS

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BACK IN 2015.

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YOU KNOW, WE ARRIVED ON ORBIT,

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AND REALLY, WITHIN A COUPLE

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OF DAYS, MY BRAIN ADJUSTED

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TO THE IDEA OF FLOATING.

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NOT THAT I WAS GOOD AT IT,

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BUT THE NOVELTY OF IT--

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I THINK THE FACT THAT OUR BRAINS

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CAN ADAPT TO SOMETHING

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THAT IS SO NOVEL, SO DIFFERENT,

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SOMETHING THAT WE'RE

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COMPLETELY UNACCUSTOMED TO

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FOR ALL OF OUR LIVES,

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AND THAT IT CAN JUST-JUST ADAPT

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LIKE THAT IS ABSOLUTELY AMAZING.

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>> THE INTERNATIONAL

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SPACE STATION

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IS A NATIONAL LABORATORY

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BUILT TO DO SCIENCE.

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>> THE CONNECTING ELEMENT

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BETWEEN ALL OF THE EXPERIMENTS

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THAT WE DO UP THERE

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IS THE SPACE ENVIRONMENT,

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AND SPECIFICALLY

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WEIGHTLESSNESS-- MICRO GRAVITY,

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AS THE SCIENTISTS LIKE TO SAY.

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>> WHEN YOU'RE DEALING

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WITH COMPLEX SYSTEMS,

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UH, ONE WAY TO LEARN

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HOW THEY WORK IS TO START

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REMOVING VARIABLES.

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WE'RE ABLE TO DO A LOT

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OF THAT DOWN HERE ON EARTH,

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BUT ONE OF THE THINGS

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THAT WE HAVE A CHALLENGE DOING,

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AND WE CAN'T DO, IS REMOVE

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THE EFFECTS OF GRAVITY,

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AND SO BY TAKING THINGS TO

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THE INTERNATIONAL SPACE STATION,

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WE CAN REMOVE THAT

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AND WE CAN SEE HOW

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THESE COMPLEX SYSTEMS WORK.

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HOW THINGS GROW,

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HOW THEY DEVELOP.

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WE DO SO MUCH RESEARCH

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UP THERE THAT NOT ONLY HELPS

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TECHNOLOGIES AND DEVELOPMENT,

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UH, DOWN HERE ON EARTH,

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BUT IT IS ALSO AIDING

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NASA'S PIVOT BACK INTO

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DEEP SPACE EXPLORATION.

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>> THE WORK THAT WE DO

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EVERY DAY HELPS US

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TO BETTER UNDERSTAND

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HOW THE HUMAN BODY CHANGES

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IN WEIGHTLESSNESS,

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AND TO UNDERSTAND HOW TO DO

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THE OPERATIONS LIKE SPACE WALKS

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AND ROBOTIC ARM ACTIVITIES

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THAT ARE NECESSARY,

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UH, FOR US TO BE SUCCESSFUL

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IN LUNAR ORBIT,

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ON THE LUNAR SURFACE,

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AND OUR WAY TO MARS.

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>> WE GET THIS AWESOME

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OPPORTUNITY TO BE

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REPRESENTATIVES OF-OF HUMANITY--

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OF ALL OF YOU,

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AND WE DON'T TAKE THAT LIGHTLY.

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WE'RE SUPER HONORED

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TO HAVE THAT RESPONSIBILITY

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AND ARE EXCITED

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ABOUT SHARING THE JOURNEY

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WITH-WITH ALL OF YOU.