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good afternoon everybody and welcome to

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the johnson space center here in houston

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texas we're going to be giving you a

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look today at two spacewalks that are

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coming up for the crew of expedition 32

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the first one is going to be on august

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the 20th the second one is going to be

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on august the 30th here to give us more

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details about all of that is the lead

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flight director for expedition 32 dina

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contella as well as the spacewalk

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officer keith johnson we'll start off

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with dina

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well good afternoon thank you for

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joining us

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things are going extremely well on space

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station and our crew is in great spirits

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looking forward to our pair of space

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walks coming up

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the

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increments about halfway over and

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the first part of the increment was

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crammed full of visiting vehicles

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following the soyuz arrival we had

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the 47 progress that undocked and we

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were performing a coors

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navigational system

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redoc test and for that redoc test the

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first attempt was aborted

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and i'm sure you've heard that

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the the coors system did not activate

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properly and so while the while our

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russian colleagues

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worked on what we were going to do for a

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re-dock attempt we did go ahead and

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rendezvous and capture htv our japanese

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cargo vehicle and the ground and the

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crew did an excellent job with that and

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then they birthed it on the same day and

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the following day uh 47 progress did

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come in with a successful docking the

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course

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in ah that new system was warmed up

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inside the progress just a few degrees

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but enough to allow its activation and

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so that's how we were able to

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successfully dock 47 progress

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47 progress undock went extremely well

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and 47 progress or 48 progress uh launch

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and docking occurred on the same day

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which was a a new test of a four orbit

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rendezvous capability and that went

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exactly as according to plan

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since since then we've been doing a lot

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of research and also a lot of robotic

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operations associated with the exposed

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pallet

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to move some research that was

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externally brought up in htv over to the

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space station over to the japanese

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the japanese module exposed facility and

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also to

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out out on the truss and so those

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operations went very smoothly and we

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only had

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the only hiccup that has affected our

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operations has been um the

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uh a camera that failed on the ssrms

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canada arm 2. it's a boom camera and

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after some discussions we decided that

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we're going to change that out on this

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upcoming usc va and keith johnson will

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talk about about all those details

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coming up

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so but then to talk a little bit about

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um you know our crew and operations uh i

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wanted to point out that we are despite

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all the visiting vehicles um at this

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point anticipating that we're going to

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meet our research objectives for this

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part of

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the of the year and that's an incredibly

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big step because we have had a lot of

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systems type of work that we've had to

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do associated with the vehicles but

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we're very proud that we've enabled the

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crew with a lot of opportunity to

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get ahead the crew has been doing a

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great job

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and i think as an example we had a lot

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of ground control uh that was associated

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with robotic ops and this enabled the

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crew to focus on research and that sort

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of thing on board while the ground did a

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lot of the robotic operations so

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congratulations to our japanese canadian

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and houston robotics folks for that for

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uh helping us with that

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and so first i'm going to talk about the

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crew a little bit and then i'm going to

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go into the russian segment eva so i

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could have the first graphic

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all right so on the left is akihiko

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hoshide and we call him aki

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and to his right is yuri malenchenko

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next to him is sunita williams and we

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call her sunny

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those three arrived in mid-july

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and next to sunny you see joe acaba who

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is currently leading the u.s portion of

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station

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followed by the iss commander gennady

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padalka and then sergei revin

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and four of those six are going to be

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performing spacewalks in the next couple

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of weeks gennady and uri will perform

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the russian spacewalk on august 20th

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and sunny and aki will perform the u.s

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spacewalk on august 30th

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so the next graphic please

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the russian segment eva will be in orlon

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space suits out of the piers module

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with egress happening monday at 9 40 a.m

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houston local time

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gennady will be ev-1 with a red stripe

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and he'll have the helmet camera on

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he's previously conducted eight

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spacewalks

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six on iss and two on the mir space

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station

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yuri will be ev2 with a blue stripe on

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his suit

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and he's performed four evas in the past

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one on sts-106 as well as another iss

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eva

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there's three main tasks and three get

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ahead tasks

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the crew will relocate a strela crane to

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move it off the docking compartment

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piers

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and over to the forward end of the zara

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module

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with the russian multipurpose logistics

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module nuaka when it comes up in 2013

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so that crane needs to move

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they'll also release a passive spherical

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satellite pronounced sphera or also

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called

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t vector

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that will allow our russian colleagues

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to evaluate ground station tracking and

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modeling for orbital debris

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the crew will install five micrometer

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orbital debris shields on the small

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diameter of the zvezda module

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and then as get aheads

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we've got three of those time permitting

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there's two

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external experiments

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and also there's an installation of some

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support struts for the eva ladder to

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make it more

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stable

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the expected eba duration is 6 hours and

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25 minutes

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and joe and sergey will be in the poisk

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module near their soyuz for the eva

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while sunny and aki will have access to

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next to next you'll see a video of the

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this is the aft in the station with the

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russian modules surrounding the piers

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airlock

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the hatch opens and you'll see yuri and

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then gennady egressing onto the eva

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ladder

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now looking from above you'll see

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gennady adjusting the strela 2 foot

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restraint

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and yuri on the tip of the strella boom

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riding it up to the other strela on the

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zenith part of iss on poisk

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the strela that's in motion is the one

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that will move over to zarya so

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gennady then retracts it as you see here

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zooming in on gennady you can see him

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here he's positioning a

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an attached foot restraint for the

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relocation and

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stowage at the top of the screen you'll

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see yuri adjusting his foot restraint so

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he can position the strela on poisk

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for its extension down to gennady

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so here's the positioning

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and now he's extending that upper strela

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down to gennady's work site for the

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the flashing area points out where the

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next you'll see yuri making his way down

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the upper strela boom

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to assist gennady in releasing strela 2

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from its mounting location on piers

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and they work together to get it into a

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good position for the relocation

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here they're rotating strela 2 so it's

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in line with strela 1

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and that'll make it a more compact

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package on the end of the boom for the

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so after everything squared away yuri

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translates up up to the base of the

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upper strela so that he can manipulate

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the stroller mechanisms and begin the

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so gennady gets a really fantastic view

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as yuri pitches strela up

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and he also positions strela two by

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spinning it around

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and then he turns the entire strela to

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now you can see the move over to the

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forward end of zarya followed by an

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extension of the boom

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yuri is just using hand cranks to

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so yuri then translates forward on iss

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down the stroller to meet up with

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gennady and help with the removal of

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strela 2 and its installation

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and so after some manipulation they work

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together to install it onto an adapter

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yuri gets a short ride for the pitch

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and here you see him making his way

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aft on iss

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translating on strela

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and back to poisk so he can drive strela

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now that the work is done on zarya

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gennady hops on the end for his ride

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back

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and once again he'll get an amazing view

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strela is going to maneuver him

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back down to piers and this strella will

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manix will remain extended

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between poisk and piers at the end of

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so here's the attachment area

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and at this point gennady also has the

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opportunity to grab the first external

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experiment s kaka you see it flashing

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esca cause a materials experiment that

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allows for exposing multiple

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materials to space and it closes up like

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a small briefcase and it's brought

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inside

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so here you see it flashing and folding

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so gennady and yuri are going to make

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their way back to the eva ladder on

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piers to deploy the spherical satellite

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and here you see it flashing

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the satellite's about 21 inches in

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diameter it has a mass of about 20

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pounds it's completely passive

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in the right hand photo you see two

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items there's a mock-up of the sphere

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and also a tool to the right that holds

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the sphere while the crew egresses the

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airlock and gets into position

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before deploy the crew releases a strap

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on the tool so that just the fingers are

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gripping it

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and then they give the tool a push to

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it's deployed in the af nadir direction

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and it's expected to stay on orbit for

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next you see gennady and yuri retrieving

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the debris shields from the airlock in

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here you can see the installation sites

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on this graphic

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there's a total of five shields

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they're bundled in a package of three

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and a package of two

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the bundles get separated and the

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shields attached to the handrails on the

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small diameter compartment of the of

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so in this video you can see the three

278
00:11:00,069 --> 00:10:58,399
port side shield installation sites

279
00:11:02,230 --> 00:11:00,079
these shields are similar in design as

280
00:11:05,030 --> 00:11:02,240
what we've previously installed on on

281
00:11:06,630 --> 00:11:05,040
past evas

282
00:11:07,910 --> 00:11:06,640
so next you can see the second external

283
00:11:10,710 --> 00:11:07,920
experiment that the crew may bring

284
00:11:12,870 --> 00:11:10,720
inside if they have time

285
00:11:14,150 --> 00:11:12,880
this is called biorisk and it has

286
00:11:16,310 --> 00:11:14,160
experiments inside that have been

287
00:11:17,990 --> 00:11:16,320
exposed to space

288
00:11:19,430 --> 00:11:18,000
this is a photo of the pierce module on

289
00:11:23,190 --> 00:11:19,440
the right with a close-up view showing

290
00:11:26,389 --> 00:11:24,790
here you see a get ahead to install two

291
00:11:28,790 --> 00:11:26,399
struts on the eva ladder which should

292
00:11:30,230 --> 00:11:28,800
help for stability and this equipment

293
00:11:32,310 --> 00:11:30,240
will later move to the new airlock on

294
00:11:34,150 --> 00:11:32,320
nuwaka

295
00:11:38,870 --> 00:11:34,160
after that gennady and yuri will ingress

296
00:11:41,269 --> 00:11:40,470
so only one thing i wanted to add here

297
00:11:44,470 --> 00:11:41,279
is that

298
00:11:46,630 --> 00:11:44,480
for the lead iss flight director for the

299
00:11:49,430 --> 00:11:46,640
russian segment eva that will be jerry

300
00:11:51,030 --> 00:11:49,440
jason and for the u.s eva that will be

301
00:11:52,310 --> 00:11:51,040
advance ice

302
00:11:56,069 --> 00:11:52,320
and so with that i'll pass it over to

303
00:11:57,829 --> 00:11:56,079
keith johnson he'll describe us eva 18.

304
00:12:00,949 --> 00:11:57,839
thank you dina

305
00:12:03,269 --> 00:12:00,959
well let's see this is uh the first usa

306
00:12:06,069 --> 00:12:03,279
in over a year the last dva that was

307
00:12:07,350 --> 00:12:06,079
performed on space station by the u.s

308
00:12:09,750 --> 00:12:07,360
team

309
00:12:11,990 --> 00:12:09,760
was by mike fossum and ron guerin during

310
00:12:14,230 --> 00:12:12,000
the sts-135 mission

311
00:12:16,710 --> 00:12:14,240
back in july

312
00:12:18,230 --> 00:12:16,720
our first slide we have pictures of our

313
00:12:20,230 --> 00:12:18,240
ev crew members

314
00:12:24,069 --> 00:12:20,240
we've already mentioned that

315
00:12:26,790 --> 00:12:24,079
sonny williams is ev1 on the cba she'll

316
00:12:29,190 --> 00:12:26,800
have the red stripes on her suit this is

317
00:12:30,310 --> 00:12:29,200
will be her fifth eva she's done four so

318
00:12:33,430 --> 00:12:30,320
far

319
00:12:36,550 --> 00:12:33,440
during expedition 14 and 15 totaling

320
00:12:38,389 --> 00:12:36,560
about 29 hours and 17 minutes of

321
00:12:39,110 --> 00:12:38,399
spacewalk time so she'll be adding to

322
00:12:40,790 --> 00:12:39,120
that

323
00:12:42,389 --> 00:12:40,800
our ev2

324
00:12:43,829 --> 00:12:42,399
for the upcoming eva

325
00:12:46,949 --> 00:12:43,839
is aki

326
00:12:48,470 --> 00:12:46,959
hoshida we call him aki and this is his

327
00:12:51,750 --> 00:12:48,480
first spacewalk

328
00:12:54,870 --> 00:12:51,760
he will be the third japanese astronaut

329
00:12:57,910 --> 00:12:54,880
to do a space walk following takao doi

330
00:12:59,670 --> 00:12:57,920
and suichi naguchi

331
00:13:02,150 --> 00:12:59,680
so let's see

332
00:13:05,509 --> 00:13:02,160
joe acaba is the

333
00:13:07,110 --> 00:13:05,519
ivy or the arm operator for the eva aki

334
00:13:09,670 --> 00:13:07,120
will be on the arm for the majority of

335
00:13:12,550 --> 00:13:09,680
the eba and then we have a ground-based

336
00:13:14,870 --> 00:13:12,560
iv crew member which is jack fischer and

337
00:13:16,470 --> 00:13:14,880
he's not done an eb eva before but he's

338
00:13:18,389 --> 00:13:16,480
helping out with the development of the

339
00:13:20,790 --> 00:13:18,399
eva

340
00:13:23,110 --> 00:13:20,800
i've got a slide that shows our list of

341
00:13:26,150 --> 00:13:23,120
tasks the first thing we're doing on the

342
00:13:28,310 --> 00:13:26,160
eva and the main reason for going eva is

343
00:13:30,710 --> 00:13:28,320
the main bus switching unit number one

344
00:13:33,269 --> 00:13:30,720
removal and replacement this particular

345
00:13:34,629 --> 00:13:33,279
box has failed in such a way that it's

346
00:13:37,110 --> 00:13:34,639
passing power

347
00:13:39,269 --> 00:13:37,120
but it can no longer be switched and in

348
00:13:41,030 --> 00:13:39,279
order to do future operations we need to

349
00:13:43,189 --> 00:13:41,040
take that box out and put one in that

350
00:13:45,189 --> 00:13:43,199
allows us to do that

351
00:13:47,110 --> 00:13:45,199
another task that we're doing on the eva

352
00:13:50,150 --> 00:13:47,120
is cable routing

353
00:13:52,230 --> 00:13:50,160
two primary and redundant power cables

354
00:13:53,350 --> 00:13:52,240
to the russian multi-purpose laboratory

355
00:13:55,509 --> 00:13:53,360
module

356
00:13:57,750 --> 00:13:55,519
that dina referred to

357
00:13:59,350 --> 00:13:57,760
we started on the u.s segment and run it

358
00:14:01,189 --> 00:13:59,360
over to the interface between the

359
00:14:02,870 --> 00:14:01,199
russian and u.s segment and then the

360
00:14:05,829 --> 00:14:02,880
russians will later on

361
00:14:09,590 --> 00:14:05,839
run their half of that cabling

362
00:14:12,230 --> 00:14:09,600
and just recently we had a failure of

363
00:14:14,230 --> 00:14:12,240
one of the cameras on the ssrms the the

364
00:14:15,829 --> 00:14:14,240
boom b camera

365
00:14:17,829 --> 00:14:15,839
this morning we had meetings with

366
00:14:19,670 --> 00:14:17,839
management and we decided that this is

367
00:14:21,430 --> 00:14:19,680
the next highest priority

368
00:14:24,629 --> 00:14:21,440
so that camera will be removed and

369
00:14:25,990 --> 00:14:24,639
replaced as our get-aheads and time

370
00:14:27,829 --> 00:14:26,000
permitting

371
00:14:29,750 --> 00:14:27,839
the next task we have is a protective

372
00:14:31,590 --> 00:14:29,760
cover installation on the pressurized

373
00:14:33,430 --> 00:14:31,600
mating adapter too

374
00:14:35,430 --> 00:14:33,440
which is at the forward end of station

375
00:14:38,470 --> 00:14:35,440
and we are covering it up so that we

376
00:14:39,670 --> 00:14:38,480
protect against a micro meteoroid debris

377
00:14:42,389 --> 00:14:39,680
and

378
00:14:44,629 --> 00:14:42,399
keep it safe until we fly up a new

379
00:14:46,069 --> 00:14:44,639
docking system that's coming up and then

380
00:14:48,389 --> 00:14:46,079
we'll take that cover off and install

381
00:14:50,150 --> 00:14:48,399
that in the future

382
00:14:52,550 --> 00:14:50,160
we do have other camera problems that

383
00:14:55,030 --> 00:14:52,560
we're looking at one of them is on the

384
00:14:57,829 --> 00:14:55,040
the mobile based system the mast camera

385
00:14:59,750 --> 00:14:57,839
and we in order to bring that home we

386
00:15:01,030 --> 00:14:59,760
will be removing that camera bringing it

387
00:15:03,750 --> 00:15:01,040
inside

388
00:15:05,990 --> 00:15:03,760
also there is a camera problem on the

389
00:15:08,389 --> 00:15:06,000
kibo exposed facility

390
00:15:09,990 --> 00:15:08,399
and we will be taking as a get ahead

391
00:15:11,110 --> 00:15:10,000
removing and replacing that if time

392
00:15:12,870 --> 00:15:11,120
permits

393
00:15:13,590 --> 00:15:12,880
and finally

394
00:15:17,110 --> 00:15:13,600
the

395
00:15:18,949 --> 00:15:17,120
pdgf

396
00:15:20,710 --> 00:15:18,959
has a potential for another

397
00:15:22,550 --> 00:15:20,720
wire that is

398
00:15:26,470 --> 00:15:22,560
may cause problems and we may send the

399
00:15:28,870 --> 00:15:26,480
crew over to to pull that debris out

400
00:15:30,310 --> 00:15:28,880
so i've got a graphic that shows uh some

401
00:15:31,430 --> 00:15:30,320
footage of

402
00:15:34,230 --> 00:15:31,440
the uh

403
00:15:37,670 --> 00:15:34,240
the eva as we have it going

404
00:15:40,550 --> 00:15:37,680
so if you'll bring up then the next uh

405
00:15:43,430 --> 00:15:40,560
okay so the eva d press starts at about

406
00:15:46,710 --> 00:15:43,440
6 45 central time and with the crew

407
00:15:48,389 --> 00:15:46,720
coming out the hatch at about 7 15 a.m

408
00:15:50,310 --> 00:15:48,399
sunny williams is ev-1 she'll be the

409
00:15:51,670 --> 00:15:50,320
first one out of the hatch followed by

410
00:15:52,710 --> 00:15:51,680
uh

411
00:15:57,749 --> 00:15:52,720
aki

412
00:15:59,269 --> 00:15:57,759
sonny's first task is to hook up what we

413
00:15:59,990 --> 00:15:59,279
call a fish stringer which is a tether

414
00:16:02,310 --> 00:16:00,000
with

415
00:16:04,389 --> 00:16:02,320
many hooks on it and she'll attach bags

416
00:16:06,870 --> 00:16:04,399
and tools to that

417
00:16:08,949 --> 00:16:06,880
to in preparation for the eva kind of a

418
00:16:12,310 --> 00:16:08,959
staging ground after she's done with

419
00:16:16,790 --> 00:16:12,320
that she'll rotate around to face the

420
00:16:21,990 --> 00:16:19,430
which is where we have the spare

421
00:16:22,790 --> 00:16:22,000
main bus switching unit in preparation

422
00:16:24,790 --> 00:16:22,800
for

423
00:16:27,030 --> 00:16:24,800
stowing the failed unit we install

424
00:16:29,910 --> 00:16:27,040
what's called a multi-use tether end

425
00:16:31,350 --> 00:16:29,920
effector ball stack multi-use end

426
00:16:33,269 --> 00:16:31,360
effector it's kind of a grapple on one

427
00:16:35,350 --> 00:16:33,279
end grapple on the other i'll refer to

428
00:16:38,870 --> 00:16:35,360
that as the ball stack from here on out

429
00:16:44,069 --> 00:16:41,670
after she's done with that she'll remove

430
00:16:45,430 --> 00:16:44,079
straps on multi-layer insulation that's

431
00:16:47,430 --> 00:16:45,440
protecting

432
00:16:49,350 --> 00:16:47,440
the main bus switching unit

433
00:16:51,749 --> 00:16:49,360
as it's attached to a flight releasable

434
00:16:53,910 --> 00:16:51,759
attachment mechanism she undoes velcro

435
00:16:55,430 --> 00:16:53,920
straps peels that back gets it out of

436
00:16:58,790 --> 00:16:55,440
the way

437
00:17:00,550 --> 00:16:58,800
to expose the main bus switching unit

438
00:17:03,110 --> 00:17:00,560
she'll put a torque multiplier on the

439
00:17:05,270 --> 00:17:03,120
two bolts that hold this onto the fram

440
00:17:08,309 --> 00:17:05,280
and when she breaks the torque on those

441
00:17:11,590 --> 00:17:08,319
she'll install what we call a scoop

442
00:17:13,110 --> 00:17:11,600
which is a handling aid that allows aki

443
00:17:15,110 --> 00:17:13,120
to pull this out when he removes it

444
00:17:16,710 --> 00:17:15,120
later on in the eva

445
00:17:19,909 --> 00:17:16,720
once that's done

446
00:17:22,789 --> 00:17:19,919
sunny will turn around she'll grab a

447
00:17:26,710 --> 00:17:22,799
bundle of cable which is the the mlm

448
00:17:29,909 --> 00:17:26,720
power cable and she'll translate up to

449
00:17:33,590 --> 00:17:29,919
the lab node one interface and hook up

450
00:17:35,909 --> 00:17:33,600
one end of that cable to another cable

451
00:17:38,630 --> 00:17:35,919
and start routing that aft and you can

452
00:17:40,630 --> 00:17:38,640
see that highlighted in the in the video

453
00:17:42,549 --> 00:17:40,640
she'll temporarily stow it attached to

454
00:17:43,510 --> 00:17:42,559
one of the the handrails in the lower

455
00:17:45,750 --> 00:17:43,520
left

456
00:17:48,789 --> 00:17:45,760
and meanwhile aki will be doing a

457
00:17:51,270 --> 00:17:48,799
translation adaptation he'll take a bag

458
00:17:53,909 --> 00:17:51,280
with tools in it he'll translate

459
00:17:55,750 --> 00:17:53,919
up to the s0 truss

460
00:17:58,630 --> 00:17:55,760
phase 2 of the s0 truss you'll see a

461
00:18:00,950 --> 00:17:58,640
hand rail flashing in the graphic he'll

462
00:18:03,350 --> 00:18:00,960
attach his tools in the bag

463
00:18:06,230 --> 00:18:03,360
to that handrail and then he'll go over

464
00:18:07,830 --> 00:18:06,240
and he'll break torque on the failed

465
00:18:10,390 --> 00:18:07,840
main bus switching unit that you see

466
00:18:11,909 --> 00:18:10,400
over there to the left after those

467
00:18:13,990 --> 00:18:11,919
the torque is broken on both of those

468
00:18:16,070 --> 00:18:14,000
he'll install scoops which will provide

469
00:18:18,470 --> 00:18:16,080
him with a handling aid

470
00:18:21,190 --> 00:18:18,480
to therefore install an articulating

471
00:18:23,830 --> 00:18:21,200
portable foot restraint on the arm

472
00:18:25,029 --> 00:18:23,840
and then from there he will ingress the

473
00:18:26,150 --> 00:18:25,039
arm

474
00:18:33,110 --> 00:18:26,160
and

475
00:18:35,270 --> 00:18:33,120
power down up test on this box to see if

476
00:18:37,669 --> 00:18:35,280
it comes back to life um just to get

477
00:18:39,430 --> 00:18:37,679
kind of a science experiment on it um

478
00:18:41,590 --> 00:18:39,440
once that's done they'll power it down

479
00:18:44,549 --> 00:18:41,600
he'll drive the bolts and from there

480
00:18:46,390 --> 00:18:44,559
he'll back away with the mbsu

481
00:18:49,190 --> 00:18:46,400
and he'll start on

482
00:18:51,830 --> 00:18:49,200
what we call a joint automated or

483
00:18:53,430 --> 00:18:51,840
operator commanded automated sequence or

484
00:18:55,750 --> 00:18:53,440
joe caz

485
00:18:58,070 --> 00:18:55,760
which is a pre-programmed arm

486
00:18:59,669 --> 00:18:58,080
translation to head him back down

487
00:19:02,549 --> 00:18:59,679
in the meantime

488
00:19:04,630 --> 00:19:02,559
sunny is going to take the other cable

489
00:19:07,909 --> 00:19:04,640
and go towards the interface between the

490
00:19:11,110 --> 00:19:07,919
russian and the u.s segment and attach

491
00:19:12,230 --> 00:19:11,120
the second cable for the mlm to a

492
00:19:14,230 --> 00:19:12,240
handrail

493
00:19:16,150 --> 00:19:14,240
and from there she starts unwinding it

494
00:19:19,750 --> 00:19:16,160
and making her way

495
00:19:21,909 --> 00:19:19,760
nader on space station around the pma

496
00:19:24,390 --> 00:19:21,919
she'll feed it underneath and then she

497
00:19:25,590 --> 00:19:24,400
has to go and move the u.s crane out of

498
00:19:29,669 --> 00:19:25,600
the way

499
00:19:32,150 --> 00:19:29,679
translation path so she'll get up and

500
00:19:34,230 --> 00:19:32,160
she'll do some manual maneuvering

501
00:19:36,710 --> 00:19:34,240
to get that out of the way then she

502
00:19:38,710 --> 00:19:36,720
heads back around and continues routing

503
00:19:39,909 --> 00:19:38,720
along node 1

504
00:19:41,990 --> 00:19:39,919
forward

505
00:19:44,470 --> 00:19:42,000
to the s0 truss and you'll see that

506
00:19:45,430 --> 00:19:44,480
blink on the graphic here she feeds it

507
00:19:49,590 --> 00:19:45,440
into

508
00:19:51,190 --> 00:19:49,600
the interior of the s0 truss

509
00:19:53,590 --> 00:19:51,200
at that point

510
00:19:54,310 --> 00:19:53,600
roughly aki will have made his way down

511
00:19:58,950 --> 00:19:54,320
to

512
00:20:01,990 --> 00:19:58,960
take the failed mbsu that he just

513
00:20:03,669 --> 00:20:02,000
removed and he'll temporarily stow it on

514
00:20:04,789 --> 00:20:03,679
the mud end effector that i pointed out

515
00:20:07,510 --> 00:20:04,799
before

516
00:20:08,630 --> 00:20:07,520
from there he'll maneuver into

517
00:20:10,789 --> 00:20:08,640
the spare

518
00:20:13,510 --> 00:20:10,799
mane by switching unit he'll drive the

519
00:20:16,549 --> 00:20:13,520
two bolts lift it out

520
00:20:19,669 --> 00:20:16,559
he'll ground call the arm back away from

521
00:20:24,149 --> 00:20:22,230
and then the arm will continue motion

522
00:20:28,149 --> 00:20:24,159
and he'll start another joe caz from

523
00:20:29,590 --> 00:20:28,159
this position back up for installation

524
00:20:32,950 --> 00:20:29,600
meanwhile

525
00:20:34,710 --> 00:20:32,960
sunny will be working on the s0 truss

526
00:20:37,430 --> 00:20:34,720
the next fun thing that she gets to do

527
00:20:41,510 --> 00:20:37,440
is pull back some mli that's on phase

528
00:20:44,149 --> 00:20:41,520
three of s0 it opens up a location where

529
00:20:46,230 --> 00:20:44,159
she can climb inside the truss

530
00:20:47,750 --> 00:20:46,240
and you can see the mli peeled out of

531
00:20:49,990 --> 00:20:47,760
the way in the opening that she gets to

532
00:20:51,990 --> 00:20:50,000
go inside next you see the graphic of

533
00:20:54,789 --> 00:20:52,000
her inside taking the cable bundle

534
00:20:57,430 --> 00:20:54,799
routing along some interior handrails

535
00:20:58,549 --> 00:20:57,440
and that comes over to a panel that's up

536
00:21:00,630 --> 00:20:58,559
inside

537
00:21:03,029 --> 00:21:00,640
you'll see the connector flashing

538
00:21:04,950 --> 00:21:03,039
she gets herself into position

539
00:21:07,430 --> 00:21:04,960
this was launched with some strings

540
00:21:09,190 --> 00:21:07,440
holding the bails in place you can see

541
00:21:10,710 --> 00:21:09,200
those three white strings she will cut

542
00:21:12,710 --> 00:21:10,720
those with scissors

543
00:21:15,430 --> 00:21:12,720
throw the bail in the center take that

544
00:21:16,789 --> 00:21:15,440
cap off and then connect the cable at

545
00:21:18,549 --> 00:21:16,799
that point

546
00:21:20,070 --> 00:21:18,559
when she's done with that she'll clean

547
00:21:21,669 --> 00:21:20,080
up the work site cover the mli and then

548
00:21:24,470 --> 00:21:21,679
she'll go over and provide a set of eyes

549
00:21:27,110 --> 00:21:24,480
for aki installing the spare main bus

550
00:21:29,430 --> 00:21:27,120
switching unit onto the s0 truss

551
00:21:30,870 --> 00:21:29,440
he puts that into position and he drives

552
00:21:32,950 --> 00:21:30,880
the two bolts

553
00:21:35,350 --> 00:21:32,960
and then sonny gets to leave and go do

554
00:21:37,110 --> 00:21:35,360
other work while he uh cleans up the

555
00:21:39,029 --> 00:21:37,120
work site

556
00:21:41,830 --> 00:21:39,039
one of the get-aheads that we have for a

557
00:21:45,590 --> 00:21:41,840
task if we're ahead is the

558
00:21:48,149 --> 00:21:45,600
the mbs mass camera will have aki fly up

559
00:21:49,750 --> 00:21:48,159
to that position it's a single bolt to

560
00:21:52,310 --> 00:21:49,760
remove that camera

561
00:21:54,549 --> 00:21:52,320
based on our recent priority change

562
00:21:56,149 --> 00:21:54,559
he'll just take that camera off and

563
00:21:58,310 --> 00:21:56,159
bring it back with him he won't install

564
00:22:00,870 --> 00:21:58,320
another camera in place of that then the

565
00:22:03,270 --> 00:22:00,880
arm will maneuver him back to the mbsu

566
00:22:05,909 --> 00:22:03,280
that has the scoops on it and he'll use

567
00:22:07,590 --> 00:22:05,919
that to egress the arm

568
00:22:09,110 --> 00:22:07,600
you'll see that down to the lower left

569
00:22:09,990 --> 00:22:09,120
you can see sunny

570
00:22:11,750 --> 00:22:10,000
at the

571
00:22:13,990 --> 00:22:11,760
failed mbsu sitting on the mutt ball

572
00:22:15,750 --> 00:22:14,000
stack she'll take that and she'll swing

573
00:22:18,230 --> 00:22:15,760
it around and install it back on the

574
00:22:20,470 --> 00:22:18,240
fram she'll drive the bolts

575
00:22:22,789 --> 00:22:20,480
take the scoops off

576
00:22:24,630 --> 00:22:22,799
clean up the mud end effector

577
00:22:26,789 --> 00:22:24,640
and then reinstall the multi-layer

578
00:22:28,789 --> 00:22:26,799
install insulation and that's

579
00:22:31,430 --> 00:22:28,799
ready to sit there until it's it has

580
00:22:33,510 --> 00:22:31,440
finds another use meanwhile aki is

581
00:22:35,190 --> 00:22:33,520
removing the articulating portable foot

582
00:22:37,110 --> 00:22:35,200
restraint

583
00:22:39,750 --> 00:22:37,120
and he'll reposition that into a

584
00:22:42,070 --> 00:22:39,760
worksite interface at this work site

585
00:22:43,909 --> 00:22:42,080
the arm will reposition and provide him

586
00:22:46,950 --> 00:22:43,919
with access to

587
00:22:49,110 --> 00:22:46,960
the boom camera you see highlighted here

588
00:22:50,390 --> 00:22:49,120
he will remove this camera and replace

589
00:22:52,390 --> 00:22:50,400
it with a spare that we will have

590
00:22:55,510 --> 00:22:52,400
brought out with us at the start of the

591
00:23:00,630 --> 00:22:58,310
and then as time permits

592
00:23:03,270 --> 00:23:00,640
he and sunny will translate out to the

593
00:23:05,669 --> 00:23:03,280
forward end of the space station

594
00:23:07,270 --> 00:23:05,679
and install the pressurized mating

595
00:23:08,630 --> 00:23:07,280
adapter

596
00:23:11,750 --> 00:23:08,640
ii cover

597
00:23:13,510 --> 00:23:11,760
it's just a multi-layer insulation

598
00:23:15,909 --> 00:23:13,520
that has some kevlar fiber in it that

599
00:23:18,390 --> 00:23:15,919
will protect those surfaces from micro

600
00:23:19,990 --> 00:23:18,400
meteoroid debris and they'll strap that

601
00:23:21,190 --> 00:23:20,000
to handrails that you see highlighted in

602
00:23:22,870 --> 00:23:21,200
the graphic

603
00:23:25,350 --> 00:23:22,880
when they're done with that

604
00:23:28,070 --> 00:23:25,360
again depending on time permitting

605
00:23:31,830 --> 00:23:28,080
they may be able to head over to

606
00:23:33,029 --> 00:23:31,840
kibo and the exposed facility

607
00:23:35,590 --> 00:23:33,039
and

608
00:23:38,710 --> 00:23:35,600
the forward camera on there has no

609
00:23:40,470 --> 00:23:38,720
lights on it and so as i get ahead they

610
00:23:43,029 --> 00:23:40,480
may be able to remove that camera and

611
00:23:44,789 --> 00:23:43,039
replace it with a spare

612
00:23:47,190 --> 00:23:44,799
it's planned for a six and a half hour

613
00:23:49,110 --> 00:23:47,200
eva so at this point they'll clean up

614
00:23:52,470 --> 00:23:49,120
their work sites and head back to the

615
00:23:55,669 --> 00:23:52,480
airlock and thus concludes um what we

616
00:23:57,669 --> 00:23:55,679
hope is a successful eva

617
00:23:59,029 --> 00:23:57,679
okay we'll take some questions now first

618
00:24:00,549 --> 00:23:59,039
uh here in houston then we'll go to the

619
00:24:02,950 --> 00:24:00,559
phone lines let's say we'll start with

620
00:24:04,070 --> 00:24:02,960
gina all right for either for both of

621
00:24:07,269 --> 00:24:04,080
you what do you view is the most

622
00:24:09,269 --> 00:24:07,279
challenging element on each spacewalk

623
00:24:11,029 --> 00:24:09,279
uh well i'll just say the uh on the

624
00:24:13,830 --> 00:24:11,039
russian space walk

625
00:24:15,029 --> 00:24:13,840
probably the smooth of the strela it's a

626
00:24:16,549 --> 00:24:15,039
pretty um

627
00:24:18,870 --> 00:24:16,559
big apparatus it's on the end of an

628
00:24:20,630 --> 00:24:18,880
almost 50-foot boom maneuvering that

629
00:24:22,070 --> 00:24:20,640
around in the past they've had some

630
00:24:24,549 --> 00:24:22,080
trouble where they ran long on this

631
00:24:26,070 --> 00:24:24,559
particular task before or a similar task

632
00:24:27,590 --> 00:24:26,080
of moving a strela

633
00:24:28,870 --> 00:24:27,600
but it wasn't necessarily due to

634
00:24:31,830 --> 00:24:28,880
anything in particular it just kind of

635
00:24:34,149 --> 00:24:31,840
ran long so it could be a timing thing

636
00:24:35,990 --> 00:24:34,159
associated with the strela that um could

637
00:24:37,350 --> 00:24:36,000
allow could cause you know trip them up

638
00:24:39,990 --> 00:24:37,360
a little bit and cause the eba to run

639
00:24:44,149 --> 00:24:41,590
well i would say from

640
00:24:46,390 --> 00:24:44,159
the the usa perspective the crew has

641
00:24:48,390 --> 00:24:46,400
seen this in the water several times so

642
00:24:51,110 --> 00:24:48,400
they've they've got good training

643
00:24:53,909 --> 00:24:51,120
but what ends up happening is um we

644
00:24:55,669 --> 00:24:53,919
change priorities and we change um the

645
00:24:56,950 --> 00:24:55,679
the tasks that that they're being asked

646
00:24:58,310 --> 00:24:56,960
that they looked at in their training a

647
00:24:59,990 --> 00:24:58,320
while ago

648
00:25:03,190 --> 00:25:00,000
but we think that by getting them the

649
00:25:05,750 --> 00:25:03,200
right information and um getting them

650
00:25:07,590 --> 00:25:05,760
talking with them before the eva that

651
00:25:09,669 --> 00:25:07,600
we've minimized that that particular

652
00:25:10,630 --> 00:25:09,679
aspect of of the eva

653
00:25:12,950 --> 00:25:10,640
so

654
00:25:14,710 --> 00:25:12,960
our risks are are similar in that we

655
00:25:17,510 --> 00:25:14,720
want to make sure that we we don't let

656
00:25:19,430 --> 00:25:17,520
the crew run long on a task and we've

657
00:25:21,750 --> 00:25:19,440
timelined it so that we can stop at

658
00:25:24,230 --> 00:25:21,760
various points to get them inside so

659
00:25:26,630 --> 00:25:24,240
we're comfortable with that

660
00:25:28,230 --> 00:25:26,640
there's been concern about gloves and

661
00:25:30,710 --> 00:25:28,240
they've been doing periodic checks on

662
00:25:33,190 --> 00:25:30,720
gloves during spacewalks is that still

663
00:25:36,149 --> 00:25:33,200
an operating procedure

664
00:25:38,470 --> 00:25:36,159
well from uh from the u.s eva yes we um

665
00:25:39,990 --> 00:25:38,480
we timeline glove inspections throughout

666
00:25:42,549 --> 00:25:40,000
the eva

667
00:25:45,110 --> 00:25:42,559
we are concerned we have enhanced the

668
00:25:47,590 --> 00:25:45,120
gloves and made them

669
00:25:48,789 --> 00:25:47,600
better to resist damage that we've seen

670
00:25:51,110 --> 00:25:48,799
in the past

671
00:25:53,190 --> 00:25:51,120
but we still do periodic checks to make

672
00:25:56,070 --> 00:25:53,200
sure that whatever they've been handling

673
00:25:58,310 --> 00:25:56,080
along the way is hasn't caused any

674
00:26:00,710 --> 00:25:58,320
damage to cause them to come inside

675
00:26:02,549 --> 00:26:00,720
um the other aspect of it that the

676
00:26:04,789 --> 00:26:02,559
station's been up there for a long time

677
00:26:06,789 --> 00:26:04,799
um so we have the crew watch where

678
00:26:08,950 --> 00:26:06,799
they're going and make sure that

679
00:26:10,390 --> 00:26:08,960
they don't do anything untoward on their

680
00:26:12,549 --> 00:26:10,400
gloves

681
00:26:13,909 --> 00:26:12,559
thank you okay thanks gina let's go to

682
00:26:15,669 --> 00:26:13,919
the phone lines and take some questions

683
00:26:17,350 --> 00:26:15,679
from there i think that we had denise

684
00:26:18,950 --> 00:26:17,360
ciao i think that we lost one person so

685
00:26:20,149 --> 00:26:18,960
let's see who is uh let's see who's

686
00:26:21,669 --> 00:26:20,159
there

687
00:26:23,029 --> 00:26:21,679
hi

688
00:26:25,909 --> 00:26:23,039
go ahead denise

689
00:26:28,950 --> 00:26:25,919
um just a couple um quick questions for

690
00:26:31,430 --> 00:26:28,960
the the usc va um will the astronauts be

691
00:26:33,269 --> 00:26:31,440
doing the institute light exercise prior

692
00:26:35,029 --> 00:26:33,279
to going out

693
00:26:36,870 --> 00:26:35,039
well that's a good question and and

694
00:26:39,590 --> 00:26:36,880
thank you for asking i i did have that

695
00:26:41,669 --> 00:26:39,600
in my notes and i did men mean to uh to

696
00:26:43,990 --> 00:26:41,679
bring that up yes that is correct and we

697
00:26:47,590 --> 00:26:44,000
will be doing the in-suit light exercise

698
00:26:49,909 --> 00:26:47,600
uh pre-breathe protocol and that is um

699
00:26:52,470 --> 00:26:49,919
currently um with the the ways and

700
00:26:55,029 --> 00:26:52,480
trades the best method for

701
00:26:57,990 --> 00:26:55,039
prolonged oxygen and

702
00:26:59,510 --> 00:26:58,000
it minimizes the the crew activity and

703
00:27:01,750 --> 00:26:59,520
they don't have to sleep out in the in

704
00:27:03,669 --> 00:27:01,760
the airlock so we find that it is the

705
00:27:06,070 --> 00:27:03,679
best protocol and that's what we will be

706
00:27:08,390 --> 00:27:06,080
utilizing

707
00:27:10,950 --> 00:27:08,400
thanks and also um for launching the

708
00:27:12,789 --> 00:27:10,960
sphere satellite um how much of a

709
00:27:14,230 --> 00:27:12,799
priority is that and if the russians

710
00:27:16,390 --> 00:27:14,240
don't get to in their eba is that

711
00:27:18,830 --> 00:27:16,400
something that might be considered as a

712
00:27:23,110 --> 00:27:18,840
get ahead task for the the american

713
00:27:25,029 --> 00:27:23,120
ebay for the u.s eva you said

714
00:27:27,750 --> 00:27:25,039
um yeah for the russian one the

715
00:27:30,310 --> 00:27:27,760
launching of the the sphere satellite is

716
00:27:31,430 --> 00:27:30,320
that something if the russian cosmonauts

717
00:27:32,470 --> 00:27:31,440
don't get to it is that something that

718
00:27:35,110 --> 00:27:32,480
might be

719
00:27:36,549 --> 00:27:35,120
added to the list of get ahead for the

720
00:27:38,870 --> 00:27:36,559
american epa

721
00:27:40,789 --> 00:27:38,880
um it's a purely russian experiment and

722
00:27:43,269 --> 00:27:40,799
so we would have no plans to add that to

723
00:27:44,630 --> 00:27:43,279
the u.s eva and it's specifically been

724
00:27:46,549 --> 00:27:44,640
designed you know the trajectory and

725
00:27:48,149 --> 00:27:46,559
everything that we've analyzed the crew

726
00:27:49,510 --> 00:27:48,159
will go out on the eva ladder and push

727
00:27:50,630 --> 00:27:49,520
it aft

728
00:27:51,990 --> 00:27:50,640
and so

729
00:27:55,430 --> 00:27:52,000
that doesn't really sink well with our

730
00:27:57,990 --> 00:27:55,440
u.s eva uh it is just a purely russian

731
00:28:00,389 --> 00:27:58,000
type experiment

732
00:28:02,789 --> 00:28:00,399
okay thanks okay thanks denise

733
00:28:04,950 --> 00:28:02,799
uh are there any us here tina

734
00:28:05,990 --> 00:28:04,960
okay we're gonna wrap it up uh before we

735
00:28:07,350 --> 00:28:06,000
step away let's take a look at our

736
00:28:09,190 --> 00:28:07,360
broadcast coverage here on nasa

737
00:28:11,510 --> 00:28:09,200
television for these two spacewalks the

738
00:28:14,149 --> 00:28:11,520
first one coming up on august 20th our

739
00:28:15,029 --> 00:28:14,159
coverage will begin at 9 00 a.m central

740
00:28:17,430 --> 00:28:15,039
time

741
00:28:19,269 --> 00:28:17,440
with the eva due to begin at 9 40 and

742
00:28:21,269 --> 00:28:19,279
again will last uh close to six six and

743
00:28:23,430 --> 00:28:21,279
a half hours uh we'll be back on august

744
00:28:25,510 --> 00:28:23,440
30th for the u.s spacewalk which our

745
00:28:28,149 --> 00:28:25,520
coverage will begin at six a.m central

746
00:28:29,590 --> 00:28:28,159
time uh 7 a.m eastern time

747
00:28:32,149 --> 00:28:29,600
the actual spacewalk itself will start

748
00:28:35,990 --> 00:28:32,159
about an hour and 15 minutes later at 7

749
00:28:37,830 --> 00:28:36,000
15 a.m central time 8 15 a.m eastern and

750
00:28:39,990 --> 00:28:37,840
again that will last about six and a