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when you look in the shuttle bay for the

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hubble service mission you'll see these

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four

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large structures we call

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carriers

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and they carry

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all the space flight hardware including

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the scientific instruments the brand new

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ones into space to service hubble space

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telescope the carriers provide the

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structural support and the electrical

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support to ensure that the instruments

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and electronics that we are launching on

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the shuttle arrive there safely and

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secure one booster ignition and liftoff

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loads that are exerted during liftoff

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you know the static acceleration the

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random from the acoustic noise all that

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stuff

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is is bad for electronics and one of the

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things we have to do is provide load

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isolation so that nothing breaks before

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it gets up to hubble we provide heaters

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to make sure nothing gets too cold

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we don't want to get too hot either

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we want to be just right when it's ready

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to go into hubble

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everything is assembled to goddard

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tested here at goddard and then shipped

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down in large shipping containers and

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various

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containers to kennedy for integration

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so

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for servicing mission four we'll be

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flying with four carriers

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the one closest to the tail is the mule

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it's carrying contingency hardware

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the next one going forward is the flight

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support system which is our primary

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it's also carrying a new soft capture

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mechanism

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it's basically a ring that will attach

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to the bottom of the telescope

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for a future rendezvous capture of the

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space telescope

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in front of that we have the orbital

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replacement unit carrier which has two

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instruments in it

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the oruc is really the workhorse carrier

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it is carrying both the cosmic origin

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spectrograph and the fine guidance

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sensor

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it is also carrying the

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acs repair hardware this disc repair

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hardware

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the new one is up front and it's called

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slick the super lightweight

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the only way we could carry up

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everything we wanted to take up on the

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very last servicing mission to hubble

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was to design a new carrier system that

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was lightweight

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slick is the unsung hero of the sm4

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carrier systems it is what is enabling

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us to take the brand new wide field

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camera 3 to orbit if we didn't have

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slick wide field camera 3 would not be

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flying the hubble

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slick is actually a new technology for

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our

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space support equipment

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the slick carrier is a composite carrier

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it's made essentially of carbon fibers

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instead of metal

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and the nice thing about the graphite

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composite is you get a lot of strength

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for less weight

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so you have greater payload carrying

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capability

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because slick is the first carbon

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composite

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airframe to fly on the space shuttle we

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had to do some really special things the

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slick structure had to go through a

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significant testing program to prove out

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that it'll survive the launch and

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landing stresses that it's going to see

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the test involved putting the the

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carrier into several different

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configurations and then pushing and

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pulling on it with these actuators which

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are just

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rods and push and pull on it to

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simulate the the stresses or the loads

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it's going to see when it's launching

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and when it's landing

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all of that made us

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a whole lot smarter and a whole lot more

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experienced in the world of composites

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and we're now working with the people in

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the exploration program to help transfer