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Good morning from
Mission Control Houston.

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Welcome to this Friday's edition

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of International
Space Station update.

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So pretty busy week for the
crew as they dealt with a number

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of our science experiments

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and maintenance tasks
throughout the week

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and also some expected
communications issues.

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Starting off on Monday our three
USOS crew members Marshburn,

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Hadfield and Commander Ford
enjoyed an off-duty day

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for the Presidents' Day holiday.

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Following that, moving
in to Tuesday,

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they went in with
a number of tasks,

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including commander Kevin
Ford preparing some items

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for the upcoming
Dragon spaceflight

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to the International
Space Station.

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That Dragon spacecraft the
second full-up commercial

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resupply mission of the
cargo craft scheduled

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to launch next week on Friday.

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We'll be bringing
you live coverage

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of all the Dragon
events here on NASA TV.

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Again that launch scheduled
for Friday, March 1 at 9:10 AM.

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If all goes according to
plan they'll then set that up

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for an early morning
grapple and rendezvous

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on Saturday March 2 delivering
another cache of supplies

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to the astronauts on board the
International Space Station.

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So again on Tuesday Commander
Ford was preparing a number

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of items that are
going to be returned

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on that Dragon spacecraft.

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Meanwhile, Chris
Hadfield was inside

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of the Quest airlock doing
some routine maintenance,

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scrubbing out the cooling
loops on the US spacesuits used

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by these astronauts
for spacewalks.

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While he was doing that Tom
Marshburn was collecting a few

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water samples from the station's
environmental health system.

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Also on Tuesday at about 9:45
AM central time the station

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experienced a temporary loss of
communication with the ground.

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This was due to an ongoing
process by flight controllers

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as they were updating the
station's command-and-control

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software, and as they were
transitioning from one

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of the primary computers to
a backup computer the loss

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of communications occurred.

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Mission Control here in
Houston was able to communicate

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with the crew whenever
they flew over the set

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of Russian ground stations.

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They were able to relay
instructions to the crew

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to connect to another
computer to begin the process

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for restoring communications,
completing that successfully.

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Moving on to Wednesday, Ford
and Marshburn were inside

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of the cupola conducting
a training session

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with the station's robotic
arm known as Canadarm2,

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the space station robotic
manipulator system.

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They will be using it
to reach out and grapple

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with the Dragon spacecraft
once it makes its way

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to the International Space
Station next Saturday.

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So they were conducting a
training session familiarizing

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themselves with the controls.

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Meanwhile, Tom Marshburn
was working

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on the common cabin air
assembly replacing some

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of the temperature and humidity
control components while our

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three Russian cosmonauts
on board the station -

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Oleg Novitskiy, Evgeny
Tarelkin and Roman Romanenko --

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were busy on Wednesday
reviewing all the cargo items

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that are going to be located
in the Soyuz TMA-06M vehicle.

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That's the one that brought
Ford, Novitskiy and Tarelkin

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to the International Space
Station back in October.

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They were reviewing all
the items that are going

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to be stored in the vehicle

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when those three
astronauts return home coming

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up on March 15.

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Then moving onto Thursday
Commander Kevin Ford was back

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inside of that Soyuz with his
two Russian cosmonaut crewmates

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checking out their specialized
seat liners as they continue

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to do some of the prep work
for that upcoming departure.

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Commander Ford also
getting some hands

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on pretty interesting science
experiment on Thursday known

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as InSPACE-3 which looks to
obtain data on various fluids

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that contain specialized
particles that have the ability

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to change their physical
properties in response

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to varying magnetic fields,

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having some pretty
significant implications

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in improving the
earthquake resistance

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and structural integrity of
large-scale building projects

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down here on Earth like
bridges and skyscrapers.

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Also on Thursday Canadian Chris
Hadfield was taking a number

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of microbial samples from
the station's air system

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and also a number of surfaces
throughout the US segment.

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He was joined in
that ongoing check

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out of the station atmosphere
and environment by Tom Marshburn

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who was taking a number
of acoustic samples,

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basically measuring noise
loads around the station

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to make sure they're

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within acceptable ranges
for these astronauts.

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Also taking a number
of water samples

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from the station's
potable water supply.

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Then all that brings
us to today Friday,

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where the crew will be wrapping
up again a pretty busy week.

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Commander Ford will
be working inside

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of the regenerative
environmental control

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and life support system
onboard the station also known

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as ECLSS for short.

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He'll be replacing one of
the recycling tanks inside,

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also taking some time a
little later this afternoon

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to participate in the
Reversible Figures experiment.

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That's an ongoing European
experiment though looks to track

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and monitor any changes

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in perception these
astronauts have while operating

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in the microgravity environment.

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Meanwhile our three Russian
cosmonauts are doing a lot

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of work today upgrading the
communication systems inside

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of the Russian segment.

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Novitskiy and Tarelkin
will be doing an audit

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of all the communication
headsets and push-to-talk units

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and cables while
Roman Romanenko works

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to remove a space-to-space
radio located inside

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of the Zvezda service module.

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He'll also be taking out
an antenna switching unit.

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The Russians will
also be involved

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in reinstalling the
TVIS or the Treadmill

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with Vibration Isolation
Stabilization

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in its regular home inside
of the Zvezda service module.

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It just finished undergoing
some regular maintenance.

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Meanwhile Canadian Chris
Hadfield was working on setting

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up some samples for the
Binary Colloidal Alloy Test.

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That's an ongoing
experiment that looks

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at the varying structure of
particles known as colloids

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as they're suspended
in microgravity.

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He'll also be working inside

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of the Microgravity Science
Glovebox doing an inspection

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of some of equipment located
inside and cleaning it out.

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And then our final crew
member, Tom Marshburn,

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the resident doctor on board
the International Space Station,

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will be conducting an
eye ultrasound exam,

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also prepacking some more items

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for that Dragon spacecraft
visit, and then he just wrapped

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up just a few minutes ago
a Google+ interactive event

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alongside Kevin Ford
and Chris Hadfield,

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taking questions submitted by
the general public from all

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over the world and giving
them a look inside of life