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[ Music ]

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>> Good day, and welcome
to Mission Control Houston.

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Today is Friday,
September 6, 2013,

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and this is Space Station Live.

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On board the International
Space Station,

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a crew of six people
continues to work in support

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of research aboard
the orbiting outpost.

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Commander Pavel Vinogradov

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and flight engineers Alexander
Misurkin, Chris Cassidy,

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Fyodor Yurchikhin,
Luca Parmitano,

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and Karen Nyberg are orbiting
the planet at an altitude

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of about 250 statute
miles currently

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over the southern Indian Ocean.

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Supporting the crew
on the ground here

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at Mission Control Houston
are our flight director Holly

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Ridings, and spacecraft
communicator

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or Capcom [Inaudible]
working with the crew

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on all the different
activities scheduled for today.

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This is another -- been
another busy week aboard the

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International Space Station.

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It's getting ready
to near an end

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and the crew's looking forward
to a full weekend this weekend.

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The highlight of this week
was Wednesday's undocking

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and departure of the HTV-4
or H2 Transfer Vehicle 4,

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the Japanese cargo vehicle that
delivered several tons of cargo

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to the space station, and is
now carrying trash and refuse

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that will be destroyed
after it is commanded

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to begin a fiery reentry through
the Earth's atmosphere early

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tomorrow morning.

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The Japanese HTV-4 cargo ship
continues now to phase away

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from the space station after
its departure and release

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by flight engineer Karen
Nyberg and is scheduled

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to fire its engines for
a destructive deorbit

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at 1:36 a.m. Central
time Saturday.

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The Thursday -- the Wednesday
activity involved reaching out

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and grappling HTV-4
as it was berthed

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to its common berthing
mechanism port on the station;

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moving it away to the
full-length of Canadarm2.

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That was performed
by the ground,

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and then Karen Nyberg
released the vehicle.

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It was then commanded by
the Mission Control Center

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in Tsukuba Japan to make
thruster firings that led it

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to a stately departure from the
International Space Station.

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NASA and the Japan Aerospace
Exploration Agency are working

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together to gather extensive
data and imagery of the reentry

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with data-gathering
devices on the spacecraft,

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and some of that will include
imagery gathered by the crew

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and the ISERV science camera
which is usually applied

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to photographing natural
disasters on the Earth.

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The HTV-4 reentry
observation is a test

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to define the photographic
exposure and pointing limits

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that ultimately determine
how high

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and how precisely we can
locate a reentering spacecraft.

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There are certain areas
of the reentry environment

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for spacecraft that we
don't know a lot about.

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The crew will be shooting a wide
range of different exposures

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on three different cameras from
the space station's cupola,

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which is a 360 degree
bay window connected

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to the Tranquility module.

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We'll be trying to capture the
faint plasma trail of HTV-4

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as it breaks up in
the lower atmosphere.

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Mission Control has been
working to determine exactly

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where the crew will
need to work --

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will need to look as the
HTV will be taking up less

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than a pixel in the entire
field of view in those pictures.

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This week the crew
worked on a variety

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of different experiments
including more work

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with the SPHERES satellites in
the Japanese Kibo laboratory.

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These SPHERES satellites,
small bowling ball sized,

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self-contained satellites,
are designed to interact

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with one another and
maintain relative positions,

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and this particular set

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of experiments used a
smart phone technology

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to send commands to
the free-flying orbs.

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They also worked with the
ACE-1 experiment which looks

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at very small micron-sized
particles that are suspended

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within liquids called colloids.

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The experiment looks at
strands of such particles to try

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to develop ideal mixtures,
to develop products

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that will help improve
the quality of life

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for everyday people;
detergents, shampoos,

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fabric conditioners,
and the like.

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They also worked with a human
reaction experiment this week,

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some fluids experiments,
combustion experiments,

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and today are taking
spinal ultrasound imagery

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of Karen Nyberg.

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There was also maintenance
aboard the space station

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this week.

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Chris Cassidy replaced
an air valve

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in the carbon dioxide
removal system that is

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in the Tranquility
module of the station.

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That occurred on Thursday,

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and that will help keep the
atmosphere the crew breathes

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at the proper balance
without a lot of after --

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extra effort from
Mission Control.

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Mission Control's been
having to do some extra work

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to unstick the old
valve periodically,

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and this replacement
should help return it

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to more automated operations.

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Meanwhile, the crew of six work
together to train and prepare

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for the upcoming departure.

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The commander Pavlo Vinogradov,
flight engineer Chris Cassidy,

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and flight engineer Alexander
Misurkin, they are loading items

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and performing final
training for the departure

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of the Soyuz TMA-08M spacecraft
that is scheduled to undock

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and land on the step of
Kazakhstan next Tuesday.

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There will be a change
of command ceremony

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that takes place on
Monday, September the 9th,

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in which Vinogradov
will hand off command

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to his colleague
Fyodor Yurchikhin

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of the Expedition 3637 crew.

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And then we will have
hatch closing scheduled

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for 3:20 p.m. Central
time on Tuesday;

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undocking will be scheduled
for 6:37 p.m. Central time;

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and then that trio is
scheduled to land on the step

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of Kazakhstan at 9:59
p.m. Central time Tuesday.

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Meanwhile, in Russia,

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the Expedition 3738 prime
crew Mike Hopkins, Oleg Kotov,

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and Sergey Ryzansky, who will be
replacing Vinogradov, Misurkin,

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and Cassidy aboard
the space station,

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they are conducting
their final round

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of Soyuz vehicle
qualification exams this week

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at the Gagarin Cosmonaut
Training Center in Star City,

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Russia, and will begin
preparations for their launch

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to the International Space
Station which is scheduled

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for Thursday -- Wednesday,
September 25, Houston time,

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Thursday, September
26 in Kazakhstan.

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We're also getting ready for
the launch and arrival of

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yet another cargo vehicle;

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the Orbital Sciences Cygnus
vehicle will be launching

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from Wallops Flight Facility
in Virginia and heading

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for the International Space
Station on September the 17th

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with a rendezvous
and grapple planned

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for Sunday, September 22.

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That launch is scheduled
for 10:16 a.m. Central time

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on September 17, and will
expect rendezvous and berthing

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at 8:05 a.m. Central time
on Sunday, September 22.

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All in all, a very busy week

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for the crew aboard the
International Space Station

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as we get ready for the
departure of half of that crew

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and we will be following along

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as the crew enjoys a two-day
weekend on Saturday and Sunday,

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and then back with coverage

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of the International Space
Station Monday morning.