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when you're done with that you can stow

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the spids in the crew lock bag then

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you're going to translate over to the

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copy

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michelle lindgren in the final steps of

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his work to close a pair of quick

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disconnects

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with a jumper a cable to isolate the

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prime and backup cooling systems on the

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port truss of the international space

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station

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chell lindgren

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vehicular crew member number one and

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scott kelly uh extra vehicular crew

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member number two for today's spacewalk

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chell lindgren uh

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on one section of the port truss of the

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international space station retrieving

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a series of tools called vent tools

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for the ammonia system on the

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international space station these tools

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will be inserted

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at a vent port

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to enable residually trapped ammonia

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once

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the vent panel is configured properly

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the

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topped off about a 20-minute procedure

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but first scott kelly must configure the

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ammonia tank assembly to begin that

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activity

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to handrail 53-21

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i'm gonna read both of you through the

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big picture on the fill once uh chell is

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in position and complete with his steps

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so uh big picture for both of you our

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next step is the fill

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and so scott i have a few steps for you

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to get that valve ready for a quick

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yes

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okay thermometer booty is removed from

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okay tell i copy that that is the backup

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radiator that was initially used to

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dispel heat

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from the integrated electronics assembly

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and all of its associated systems and

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the very early neophyte days of the

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hey scott we're just talking about it

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and hopefully this isn't too late for

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you but if if that

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wire tie

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doesn't look like it wants to come off

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three hours and 48 minutes into the

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space walk

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chell lindgren and uh scott kelly

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are moving along very nicely with the

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timeline having started their spacewalk

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at 5 22 a.m central time this morning

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four

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everything going well the trailing

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thermal control radiator folding up like

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an accordion

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as planned

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looks like it's coming down nicely

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when you get there you're going to

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anti-rotation

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go ahead

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just for scott when you get there you're

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going to install the swing arm whiff

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into the tara with the arm pointing

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okay

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got it

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this is mission control houston

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approaching the four hour mark into

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today's spacewalk the latest task now

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complete

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that being the retraction of the

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trailing thermal control radiator the