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the international space station crew

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members as we've seen have been working

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on a variety of

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experiments that are focused on the

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human body today

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but the space station is also a test bed

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for new technologies

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today we can learn a little bit more

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about an ongoing technology

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investigation that could help us when

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traveling much deeper into space

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let's go to the payload operations

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center at nasa's marshall space flight

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center where lori meigs is there to tell

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us more

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learning ways to filter and renew cabin

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air is one of the objectives of the

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amine swingbed payload it's vital to

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deep space exploration especially if we

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want to cut the demand for resupply of

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the essentials

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the mean swing bed is a technology

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demonstration

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of a carbon dioxide and water removal

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system

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it's the baseline technology for the

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orion program for what they want to use

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to control uh carbon dioxide humidity

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levels on the spacecraft we're testing

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it out on the space station to see how

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well it performs in the microgravity

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environment but also to understand from

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the ground what it takes to operate a

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payload a lot of our people in our team

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are technology developers and really

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don't have a good insight into the ops

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world and so this is a great bridge

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for technology people to see what ops is

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all about

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so how does it work so the way that it

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works is uh cabin air is forced through

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our swing bed there's a bed a and a bed

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b

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and um

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on one bed while the other bed is

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exposed to space vacuum

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and so a valve

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controls the airflow between one bed and

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the other and every so often every six

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to 20 minutes the valve rotates changes

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positions and then the bed that was

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loaded up with all that carbon dioxide

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humidity is then vented out to space

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vacuum and so this is a process that uh

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is regenerable we don't save the carbon

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dioxide humidity but the sorbent media

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can be used for a very long time

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so how does this help with future

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exploration so this was a demonstration

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of the technology that orion plans on

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using for their

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main system for controlling carbon

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dioxide humidity

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and the additional things that we added

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into it water save functions and air

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safe functions were very specific to

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originally an iss application because

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they don't want to lose a lot of water

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vapor

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so these new new components that we

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added involving a desiccant system

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that would be able to be applied to

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missions that are of longer duration

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than say orion when you want to start

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worrying about how much water vapor

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you're venting overboard how long does

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this demonstration last well the demons

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the

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science started back in may of 2013 and

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we just finished this past february in

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terms of collecting the science we did a

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thousand hours of operations

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the experiment however is going to be

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staying on longer

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because we provide a capability we can

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scrub carbon dioxide

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when other systems may be needing

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maintenance or something we can provide

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contingency support so it's really up to

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the program how long they want us to

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stay up there

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did any of the work in huntsville at the

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payload operations integration center

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did did you work with them anyway very

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closely and uh i think one of the things

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i started doing recently was dedicating

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a team just for our payload so rather

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than a payload

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operations manager working over a

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variety of payloads we had one

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particular payload operator or

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operations manager that was on for us as

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well as they helped write all of our

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procedures to turn them into the

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official format that they need to be so

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we work very closely with the folks at

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marshall to operate this payload as well

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as getting it up on orbit

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and taking a live look they are working

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with the amine swingbed folks this

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morning it is active and and they are

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doing their part to assist there

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craig cruzen is the payload operations

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director today leading the team now

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later today they'll be doing some work

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with the opals

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experiment and that's the laser

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communications experiment so a lot of

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work going on today busy here in

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huntsville as usual that'll do it for us

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here at the payload operations