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spacewalk officers here in mission

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control report that both suits are

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operating to perfection as we begin to

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see tim copra emerging from the quest

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airlock this the start of the third

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the quest airlock was installed on the

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international space station during the

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sts-104 mission of the shuttle atlantis

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tim peake just keep hanging for a second

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we're trying to get a good camera on

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copy that

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and there is a close-up view of tim

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cobra

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working at the base of the 1b solar

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array

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again

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as he attaches uh

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various pieces of equipment

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to handrails and other attach points

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uh in the lower left-hand portion of

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this view

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is uh the mast canister for the 1b array

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that holds the electronics essentially

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that governs the operation of the array

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and the direction of electrical

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potential down to the sequential shunt

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unit that will be replaced during the

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next night pass about 47 minutes from

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now

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all right gentlemen looking great glad

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to see you both out there together on

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the tip of the world

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we have two good wvs views and they are

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and tim peake now has joined the copra

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at the base of the 1b

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solar array right at the very end of the

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starboard truss of the international

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and tim peake as you work your way

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around the mass caster there

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feel free to look at the load pads and

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get some situational awareness of what

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and a good view of tim copra his feet

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now planted in that portable foot

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restraint again that will give him

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leverage uh as he uses

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a ratchet wrench and a pistol grip tool

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to not only break the torque on the

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single bolt holding the failed

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sequential shunt unit in place but

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ultimately uh to remove that single bolt

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and then be joined by tim peake to

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remove the failed unit from its location

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at the base of the 1b solar array

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there are a series of tasks to be

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conducted by the flight control team

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here in houston

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they're called inhibits to make sure

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that all of the electrical systems are

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placed into a dormant

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mode

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during the time that the crew is

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handling uh this equipment at the base

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okay guys so we're working right now for

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tim copra off page 13 of the cuff

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checklist

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we know it's a small amount of water

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yep and i can just read you the the

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steps right now tim

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we already got the location and the

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quantity if there's any way to get a

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temperature of the water i don't know if

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you can move it around to get to that or

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it's about

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three inches above my head

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if i can make it mobile

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tim copra reporting a

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small amount of water

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inside the helmet of his extra vehicular

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mobility unit the next little line there

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is if the didb is a confirmed source

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we're handing over communications

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between satellites on the tracking and

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about a

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half inch line that i was able to

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get

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in front of me

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the water's cold

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the second area is water now about that

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okay guys stand by just for a second

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this is mission control houston at the 4

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hour 10 minute mark into today's eva

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guys you can start opening your cuff

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checklist to page seven we are going to

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terminate case

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and we're gathering words for tim peake

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okay copy that 82 copy so terminate eba

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ingress crew lock connect scu so i'm

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going to clean up all my stuff here read

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we want you to get your crew lock bag on

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your brt

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and start heading back towards the

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airlock for tim peake we're developing

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words for you uh for the most part it's

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going to be tying down the bundle you

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have giving us a good handrail location

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this is mission control houston once

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again at the four hour 10 minute mark

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into today's spacewalk

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at 10 58 a.m central time flight

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director royce renfrew directed the team

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to terminate

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today's spacewalk by tim copra and tim

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peake get it in a low profile take a

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really good wbs survey around with your

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eyes and make sure that nothing is

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hanging out or loose and then we'll take

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that handrail that's right in front of

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you that you are tying this thing down

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okay

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the decision to terminate today's eva

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by copper and peak was made after copra

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reported a small amount of water

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and a small feeling of dampness around

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his helmet absorption pad

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which was

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installed

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on all space walkers outside of the u.s

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segment of the international space

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station

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following

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an incident back in july of 2013

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on july 16 2013 when chris cassidy who's

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now the chief of the astronaut office

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and luca parmitano were conducting a

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spacewalk

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it was terminated in that case at the

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one hour 32 minute mark after parmitano

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reported

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an unexplained buildup of water inside

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his helmet that was later traced

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to cooling loop but chemistry issues

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and we do need to retrieve that bag or

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at a minimum the pe gt out of that bag

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with the helmet off

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uh the uh extra vehicular mobility unit

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with the red stripes being assisted by

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sergey volkov on the right yuri

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malenchenko on the left

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tim peake is still inside the crew lock

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section

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he'll be brought back inside the

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obviously copra is in good shape no

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issue there

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the crew was never in any danger at the

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time that cobra reported this small

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water bubble inside the helmet that you

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see

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a good overhead view of tim kopra back

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inside the equipment lock section of

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quest

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being assisted by scott kelly in the

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black shirt

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and just on the right is russian

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will assist now in removing the safer

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unit the simplified aid for eva rescue

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the jetpack unit from

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the back of cobra's extra vehicular

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mobility unit

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just to recap today's spacewalk began at

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6 48 a.m central time

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cobra and peak

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made their way

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outside of the quest airlock set up shop

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on the starboard truss of the

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international space station

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and successfully replaced a failed

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voltage regulator unit called a

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sequential shunt unit that

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stopped operating back on november 13th

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taking down one of the

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power channels

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other tasks were in the process of being

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completed

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by cobra and peak when at about 10 56

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a.m central time cobra reported a a

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small water bubble had formed inside his

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helmet

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after a brief consultation flight

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director royce renfrew ordered today's

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spacewalk terminated the crew made an

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orderly uh return back to the quest

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airlock closed the hatch cobra and peak

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thanked the flight control team for a

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great job

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in

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return the station to a full power

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capability

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they closed the hatch behind them the

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spacewalk ending at 11 31 a.m central

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time at the four-hour 43-minute mark

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when the airlock began its

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and as you can see uh tim kopra back

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inside he'll be joined uh momentarily by

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tim peake

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as

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all of the evidence water that had

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formed inside

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cobra's helmet

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plus the helmet absorption pad that is

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standard uh a tire inside the helmet for

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all space walkers

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and all other uh pertinent evidence is

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collected for future engineering

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analysis

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for any areas where we think the tubing

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could have leaked

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that condensation we would expect that

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okay i understand that

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ventilation tube in the middle there's

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water some water in there too i try to