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a day like any other brings the sun

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but this is not a day like any other

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it's day one of nasa's robotic refueling

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mission or rrm

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the action is on the international space

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station but also on the ground

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aimed at developing capabilities for

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servicing even refueling spacecraft on

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orbit rrm is like doing precise surgery

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at a distance doctor and patients

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separated by the void and vacuum of

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space

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it's tough but the payoff is huge

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no refueling on day one however that's

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day five today's goal unscrewing a

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mechanical cap but first the team has to

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get through a locking wire

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ground controllers at the johnson space

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center in houston and engineers using

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the high fidelity mock-up here at

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maryland's goddard space flight center

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wait

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months of careful software development

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hardware design and procedural

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rehearsals come to this

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then snip

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the tool cuts through but one tiny end

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wiggles itself into a crazy position

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that could get in the way of unscrewing

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the fuel cap a penny's worth of wire

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could foul the whole operation

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smart people get to work

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and that's the point of rrm test test

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test and learn everything possible from

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what happens next

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once flying satellites are uncooperative

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creatures and learning how to tame them

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in space takes patience and wits

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soon that pesky wire gets nudged aside

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and the team goes in for the grapple

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contact rotation

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capture