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Good day and welcome to Mission
Control Houston, where the team

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of flight controllers is
watching over the activities

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of the three-person crew aboard
the International Space Station.

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Today Jerry Jason is the flight
director in charge the team

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and Mark Reagan is the
spacecraft communicator.

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He'll be talking with
the crew as needed

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to coordinate activities
aboard space station.

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Of course Expedition 35 is
the Expedition this period,

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and that is made up of Commander
Chris Hadfield the first

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Canadian commander of the
International Space Station,

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NASA astronaut Tom Marshburn
a physician the spending four

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and a half months on orbit

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and Roman Romanenko a Russian
Federal Space Agency cosmonaut

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making his second trip
to the space station.

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Today is mostly focused
on the upcoming departure

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of the Dragon spacecraft
which is going

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to be carrying important
scientific samples back

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to Earth for analysis.

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The crew today did some last
of the early packing activities

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and will be putting the
final research samples

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into the SpaceX Dragon
cargo vehicle

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on Sunday before the
hatches are closed.

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Dragon will be unberthed

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from the Harmony module common
berthing mechanism port it's

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attached to on Monday.

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The start of operations has
been adjusted just a little

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bit earlier.

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Preparations will begin now at
3:20 AM central time on Monday

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with the unberthing beginning
at 4:05 AM and release expected

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about 6:49 AM central time.

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Splashdown off the coast of
Baja California is expected

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about 20 minutes after noon
central time on Monday.

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NASA TV live coverage of Dragon
spacecraft departure begins

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at 4 AM central time Monday.

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Chris Hadfield started
his morning

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by performing a water sample
analysis using the Total Organic

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Carbon Analyzer or TOCA as it's
called in NASA nomenclature.

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Later on he removed the
sample processing unit

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from the Coarsening In Solid
Liquid Mixtures experiment

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and downloaded some of the
data from that experiment.

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That's one of experiments
that was carried

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up on Dragon three weeks ago and
it'll be returned to scientists

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at Northwestern University
near Chicago just days

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after it left the station.

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That's very important
to them as they want

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to analyze those samples
as quickly as possible

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since they tend to
degrade if left in storage.

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Hadfield also worked with the
Binary Colloidal Alloy Test

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which examines very, very
tiny particles that are

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of spread throughout liquid.

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That's known as colloid
suspension and commonly found

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in things such as milk,

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paint and electric polishing
compounds and food products.

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Tom Marshburn meanwhile is
continuing checkout activities

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of the Marangoni
Inside experiment.

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Marangoni convection is the flow
that is driven by the presence

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of a surface tension
gradient that is produced

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by temperature differences
within the liquid gas interface.

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Convection in liquid
silicon oil is generated

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by heating one disc hot hotter

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than the other disk
in this experiment.

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Scientists are trying to observe
flow patterns of how fluids move

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to learn more about how heat
is transferred in microgravity.

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The experiment is a Japan
Aerospace Exploration

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Agency-sponsored experiment.

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Marshburn's been working
in the Destiny laboratory

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on that experiment
all week long.

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. Marshburn also working in
the Columbus laboratory today

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to prepare for the first run of
the Seedling Growth experiment.

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That's inside the
European Space Agency lab.

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That experiment looks at
how plants grow in space.

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He'll be taking images of
plants and downlinking them

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to Earth throughout the
their growth period.

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And then the plants are going
to be harvested and returned

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to Earth for analysis by the
scientists with the experiment.

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Results of that research
may be able

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to help researchers improve
food production on the ground

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and that could also
help food production

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for future long-duration
missions

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to the other destinations in our
solar system such as asteroids,

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Lagrange points,
the moon or Mars.

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A little bit later
on today Marshburn

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and Hadfield will continue
their transfer operations

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for the Dragon cargo craft.

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They will also complete some
onboard training in preparation

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for Monday's departure
of the cargo vehicle.

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Marshburn and Hadfield will
be at the controls Canadarm2

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for the unberthing
and release of Dragon.

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Roman Romanenko today is working
on some preventive maintenance

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in the Zvezda service module.

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He's also replacing one
of the shutoff valves

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for the water storage tanks

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in the Russian section
of the station.

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Space station mission managers
are in the midst of a meeting

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to review Dragon
departure preparations.

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We expect a Go/No Go decision

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from that meeting a little
bit later on this morning.

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Overnight Mission Control Moscow
directed a slight increase

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to the space station
orbital altitude.

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That's to adjust
phasing for the arrival

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of three more crew
members for Expedition 35.

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Pavel Vinogradov,
Alexander Misurkin

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and NASA's Chris Cassidy
are scheduled to launch

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from the Baikonur
Cosmodrome in Kazakhstan

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at 3:43 PM central
time next Thursday.

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They'll be docking
with the space station

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about six hours later

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in the first single orbit
rendezvous for humans.

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Tested that capability

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on Progress unmanned vehicles
previously but never on humans.

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The launch coverage will begin

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at 2:30 PM central
time March 28.

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The launch again
scheduled for 3:43 PM.

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Docking coverage will
begin on NASA TV at 8:45 PM

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with the docking set
for 9:32 PM and then

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at 10:30 PM NASA TV
will begin coverage

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for the Soyuz hatch opening
and welcoming ceremonies.

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That hatch opening is
scheduled for 11:10 PM

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on Thursday central time.

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Today that trio is on the ground

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at the Baikonur Cosmodrome,
Kazakhstan.

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On the left in this crew
portrait is Chris Cassidy,

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in the middle Pavel Vinogradov

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and on the right
Alexander Misurkin.

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The three crew members are
making final preparations

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for launch.

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All systems on the International
Space Station continuing