WEBVTT FILE

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[Music throughout]
[Testing Roman]

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[Outer Barrel Assembly (OBA) Struts
Loaded with aluminum weights to simulate other parts of the spacecraft,

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the black OBA struts are mounted on the centrifuge]

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[Spinning at 3 G
simulates launch and thrust loads.]

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[Unloading
Removing the weights to prepare the struts for moving.]

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[OBA on the Move
Structure detached and lifted from centrifuge test platform.]

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[OBA Shell Section
In a cleanroom, protective wrap and mass sims

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are added to the OBA’s other half.]

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[Connecting the pieces
Shell lifted and moved to connect with the support strut section.]

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[Switching places
The shell is lifted from struts which are pushed back out.

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Then the shell is attached to the centrifuge.]

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[Spinning at 3.9 G
The shell is spun in the first of several positions.]