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space launch system is the next newest

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biggest rocket that we're going to build

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and it's not just a replacement for the

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space shuttle this rocket is going to

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carry us much further than the shuttle

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would go

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it's nasa's next big rocket for deep

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space exploration

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the sls is a national capability that

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provides

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a unique

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access to space that america has not had

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in 40 years

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really opens the door to destinations

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beyond it's not limited by destination

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what we're focused on here at this

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center is the propulsion system and that

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consists of two solid rocket boosters

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and a core with some tanks that feed

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some liquid rocket engines in the middle

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and then the astronauts sit on the top

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in the orion

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spacecraft

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one of the things we recognized for sls

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is we had to be affordable so

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we had to do things differently more

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efficiently and smarter we're all

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conscious about saving money doing it

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more affordable than we have in the past

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but at the same time we can't sacrifice

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reliability or safety the system uses a

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significant amount of heritage hardware

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which is things that we've evolved from

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the space shuttle program the space

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shuttle had two

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kind of candle looking things which are

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the solid rockets

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those are kept

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and those are used on sls

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we've added a segment to the four

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segment solid rocket boosters that we

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had on shuttle that gives it more power

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more thrust and it helps this larger

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rocket get off the ground what those

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boosters are for is just to get you

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going they burn for a couple of minutes

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and then they fall to the ground

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then your liquid engines you're up high

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enough your liquid needs to carry your

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vehicle to as high as you want to go and

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if you have additional stages like we're

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going to have one then you can go

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further out into space right now the

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inventory that we've got consists of 14

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engines that flown on shuttle we've got

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one engine that was assembled and still

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needs green run testing our

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certification testing we looked at all

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the spares as we collected the spares we

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determined that we could assemble a 16th

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engine so we'll have 16 engines that

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we'll be able to use for flight

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we are making tremendous progress we've

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got all of our prime contractors on

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board

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we're testing engines we're testing

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solid rocket boosters our avionics

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systems j2x has set recently set a

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record at stennis

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when we were testing it was the first

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liquid oxygen engine to get to a full

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duration test

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in four

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we were developing this booster under

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the aries program

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and and we're moving that into the sls

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vehicle the motor itself has been

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through three development firings which

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are full-scale motors tested out in utah

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and we've gotten a lot of good data

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engineering data from those tests

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this is an adapter that goes between the

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bottom of the orion capsule and the top

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of the space launch system rocket that

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we're developing here at marshall

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it's been specifically designed to give

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strength to the adapter so that it can

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take the loads in flight and still be

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lightweight

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this shape started out as a series of

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flat panels the iso grid pattern was

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machined into the surfaces

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then they were formed it was called bump

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in a process called the bump forming to

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make them into the shape that we need

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here

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and we weld three of these segments

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together to form the cone that you see

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we just

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you know delivered the first crew module

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we've started a lot of the parks on to

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the outside of the cm and we've actually

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put it in what we call the bird cage so

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we can locate all those parts you know

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within you know thousands of an inch to

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make sure that

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putting you know wiring inside of it

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putting tubes for the you know for the

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propulsion system putting valves and

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pumps and so all of that happens

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in stages right there

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we have on contract with usa united

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space line to build

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our harnesses their setup shop in the o

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and c and so their little shop delivers

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thermal protection is very difficult in

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re-entry vehicles to to test and to

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model i'm going to really have to you

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have to fly it to really understand

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we're building ceramic thermal

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insulation tiles for the back shell of

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the capsule we're building thermal

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barriers for the capsule and we're

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building multi-layer insulation for that

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i'm the heat shield design lead

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so we're designing and building the heat

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shield for the future orientations the

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heat shield right now is in our big 20

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by 20 router

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it's a 5-axis router and right now it's

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machining

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the interior bowl if you will of the

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heat shield to cut out that heat shield

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on the on the router could take weeks of

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machine time

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running multiple shifts it's the biggest

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heat shield

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skeleton so that's the piece of the

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titanium substructure the backbone that

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makes up the carrier structure itself

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another unique thing is all the

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hand drilling that we're doing so it's

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not automated by a router in this case

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and it all has to be be hand hand

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drilled by technicians on the inside

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200 plus titanium parts all match

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drilled together so we have a

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tool that puts all the pieces in the

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right spot and then we drill and high

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mcc is transforming from

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supporting space shuttle and space

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station

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to a platform that will support space

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station and npcb or orion

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in order to adapt for the future we need

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to go to a more modern system

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ksc will still operate the vehicle all

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the way up until launch we'll operate

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the vehicle until splashdown and the

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recovery forces come in and take over

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firearm one is the launch control room

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we're going to use for orion sls for

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we've been working with the orion

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program to get the spacecraft data so we

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can we can process it with our software

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in the firing room and we will be flight

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following

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we refitted the room we redid it putting

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the sound suppression carpeting on the

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walls making it kind of a more

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comfortable place to work so we're

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aiming for about 50 people in fire one

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for an em-1 mission we are actually

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using firing one right now to test pad b

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this part is going to be almost like a

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complete new pack because we will have

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refurbished each and every system

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that it's inside the pack we're going to

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have the vehicle

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launched from

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the mobile launcher and not only launch

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from the mobile launcher but have a

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tower that that will have all the

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services attached to the vehicle

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the tower is going to be on the mobile

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launcher the vehicle will be assembled

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it's a return to a concept that we knew

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that worked very well during the apollo

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years when the mobile launch platform

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had a tower on it

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we knew that the vab was designed to

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accommodate a launch tower on a mobile

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launch platform

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we have to make sure that the vab can

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remain adaptable

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and accommodate different vehicle

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architectures

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and now we have a clean vap

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uh shell per se the infrastructure so

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that we can accommodate

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the the new

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hardware the new

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vehicle access

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with new platforms and that is the first

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phase that we're doing now

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and once the vehicle is ready with all

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the connections the only thing we got to

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do is move the vehicle to the pad do the

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connections to the mobile launcher and

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once we do those connections we're ready

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to launch

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there was a time where i had to explain

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what a crawler was if you didn't work

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out here at the space center or if you

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weren't in the central florida area a

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lot of people just you know somehow the

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vehicle got out to the pad

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we knew what to expect from a load

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perspective with the new vehicle the

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larger rocket and things along those

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lines

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and that goes from the crawler lifted

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load the hydraulics also to the crawler

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way we're going to have to increase the

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load and capability for the crawler way

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itself with the rock

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what we've essentially done is keep all

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the same hydraulic components but just

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increase the size the diameter of the

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hydraulic cylinders

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last november we actually took a took a

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ride out with the completed crawler two

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out to the pad and tested out the

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systems and a couple punchless items but

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everything worked great

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the control system had been upgraded the

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uh the cab the driver's cab consoles had

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all been replaced the brakes had all

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been replaced nearly every subsystem had

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some kind of work done to it

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the traction support elements each of

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the the four corners has 22 rollers that

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are about the size of a car to be honest

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with you and we're changing out all of

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what i love doing is reminding the

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outside world whether it's within our

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government or especially the media that

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has a perception that we're in a law

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that's nothing going on that you know

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the space program shutting down to kind

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of dispel that rumor and say no this is

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the the far opposite for us we are

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utilizing this inter-program time frame

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to make all the modifications and all

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the infrastructure changes that it will

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help bring that agency vision into

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reality

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many of us feel the country

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wants to go forward and and nasa has a

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big following and every time i talk to

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people they're excited about nasa

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enabling people to go beyond where they

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have ever gone before and look and

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discover things that they

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didn't even know existed is just it's

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just a real honor

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it's been a pleasure to be involved with

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this project and i can't say enough for

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the team to put this together i'm

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privileged to work this program i think

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most people who are working it today

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feel the same way i can't believe they