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CHRIS CASSIDY: Here we have a view of the White Room

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itself as Scott Kelly prepares to put on his harness.

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There's Scott climbing in as he pulls himself and slides

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himself over into the left-hand seat, which is the commander's seat.

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In the middeck we have Alvin Drew, who is MS-5 all the way on the right-most seat on the middeck.

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Dave Williams is suiting up now in the White Room. George,

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now we have Charlie Hobaugh in the screen in the White Room.

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He'll be the next one to ingress as he heads up onto the flight deck next to Commander Scott Kelly.

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In the White Room now is MS-1 Tracy Caldwell.

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She's getting her harness on and getting prepared for her turn to ingress.

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Charlie Hobaugh has climbed into the flight deck in the

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pilot position and Dave Williams has ingressed into the MS-5 position.

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George, entering the White Room also with Tracy is Barb Morgan. Barb, of course,

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has had a long road to spaceflight as she was Christ McAuliffe's

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backup prior to the Challenger incident,

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and stayed in touch with NASA as she was back in the classroom for a number of years,

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and then had the opportunity to join the astronaut class of '98,

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where she began both training full-time as an astronaut and living in Houston,

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training in Houston. Here's Barb Morgan entering

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the middeck as she climbs up and into her seat, the MS-4 seat.

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Here's Tracy now as we're looking down from the front part of the cockpit, looking aft.

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Rick Mastracchio now has room in the White Room to begin his suit-up.

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Rick Mastracchio climbing in MS-2 spot right there in the center

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second row on the flight deck. He's the final crew member to ingress.

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No other crew members remain in the White Room.

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GEORGE DILLER: So, Chris, with the hatch closed here,

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there's a few things I guess they have to go through to be sure that it's secured. Is that right?

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CASSIDY: Absolutely. It is a pressure vessel inside there,

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so when you make that final hatch closure, you're sealing off the pressure vessel and,

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as such, you've got to make sure that the seals are all intact

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and there's a period of time where we'll monitor the pressure,

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and make sure there's no pressure drop across the hatch seal.

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