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hi my name is molly white and i'm a heat

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shield engineer for orion

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the orion spacecraft is designed to go

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further than humans ever have before and

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the further out you go the faster you

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come back and the faster you come back

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the hotter you get so orion needs a

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really really good heat shield to

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protect its crew from that really really

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hot air that's going to be around it

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when it comes back

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why orion needs a heat shield if we

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think about

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friction and i'm moving my hands past

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each other just moving them pretty

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slowly i can still feel heat build up

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between my hands it gets hotter well if

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we think about orion which is going 25

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to 30 times the speed of sound it has

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that same friction with the air always

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going way faster than my hands can so

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there's a lot of heat that is around

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orion that he needs to be protected from

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the heat shield for orion it's 16 and a

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half feet in diameter it's the largest

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most innovative heat shield of its kind

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the heat shield weighs about a thousand

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pounds the total vehicle mass is about

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twenty thousand pounds so it's about one

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twentieth the weight of orion just for

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the heat shield itself so orion for its

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first flight test will see surface

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temperatures at around 4000 degrees

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fahrenheit so we've developed new

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materials for orion that can withstand

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those higher temperatures the material

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for orion is actually designed to

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withstand up to 6000 degrees fahrenheit

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my favorite part of working on orion is

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just a fantastic group of really really

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smart people that i get to work with

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every day they're excited and passionate

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as i am about

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taking humans further than we ever have

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before bringing back all the technology

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and everything that we've developed out

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there back here to earth just to improve