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good morning this is mission control

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houston welcome and thank you for

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joining us for today's edition of space

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station live this tuesday april 16th

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aboard the international space station

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is commander of the complex canadian

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space agency astronaut chris hadfield

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flight engineers russian cosmonaut roman

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romanenko nasa astronauts tom marshburn

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and chris cassidy and cosmonauts pavel

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vinogradov and alexander misurkin

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commander hadfield and flight engineer

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marshburn both spent some time with

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another round after yesterday's take of

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data collecting and recording that

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involves a water and urine sample

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collecting nph testing as well as at

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logging dietary consumption for two

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separate human body studies

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these studies are known as pro k and

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energy

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croquet seeks a dietary counter measure

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for bone loss while energy evaluates

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energy balance of a long duration space

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flight crew member

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hadfield and flight engineer chris

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cassidy worked together to perform

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regular maintenance to the environmental

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life support system by removing and

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replacing a recycle tank

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hadfield and cassidy also later today

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will conduct their individual periodic

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fitness evaluations flight engineer

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marshburn has spent much of his morning

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and will continue working throughout the

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day with that three bowling ball

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free-flying satellites

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known as spheres as part of ongoing

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research and microgravity his spheres

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are used to test techniques that could

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lead to advancements and automated

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dockings satellite servicing spacecraft

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assembly and emergency repairs

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light engineer chris cassidy had set up

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the combustion integrated rack in the

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microgravity science glove box for

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science operations

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cassidy then worked with his hands

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inside the microgravity science glove

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box working with the onboard research

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known as bass

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burning and suppression of solids that

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studies the characteristics of a wide

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variety of fuel samples and microgravity

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on the russian side of the house

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vinogradov and romanenko continue their

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preparations today for their spacewalk

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on friday outside the piers docking

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compartment airlock to install and

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retrieve several experiments and to

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replace a fully retro reflector on the

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aft end of zvezda

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that is part of a suite of navigational

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aids to be used by the european space

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agency's albert einstein the automated

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transfer vehicle 4 for its automated

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docking to the station later in june

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when groudov and romanenko donned their

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russian orlan spacesuits this morning to

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conduct translation exercises in the

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piers docking compartment airlock

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testing the crew's ability to move

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around in preparation for friday's space

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walk

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tomorrow they will don the suits again