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tone

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[music, SFX]

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Gary Davis: Hello, I'm Gary Davis. I'm on the systems engineering team

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for the MMS Mission. MMS is going to study magnetic

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reconnection between the Earth and the sun. There's our launch

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on our Atlas VI launch vehicle from Cape Canaveral air force station.

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Now we are flying above Florida, and the first stage has separated.

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The second stage puts us into orbit.

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The fairing that protects us during launch will jettison.

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And you can see all 4 MMS space craft inside.

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Each one gets deployed sequentially

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and then you will see the deployments that we have. We have 3 different

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types of deployments. The first one is our

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magnetometer boom. It is on the underside of the spacecraft.

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You'll see the hinge locks open up and then the booms will deploy

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one at a time. They have a shoulder joint and an elbow joint, just like 

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your arm. So, those are our 2 arms opening up.

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Our next deployment is the SDP booms. Those are spheres at

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the end of 60 meter-long wire cables.

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And then our third deployment is along the spin axis of the spacecraft.

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You'll see the ADP antennae and the ADP

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booms will deploy along the plus and minus Z axis.

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And those are all of our deployments.

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Each spacecraft has those three instruments that are deployed.

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And we have four spacecraft in formation that you'll see in the video.

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And we fly in a tetrahedron to get three dimensional

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magnetic information.

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beeping