Snap Shot of engineers testing the assembley fixture at NASA Goddard Space Flight Center

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three two one mechanical sounds music NASA Goddard Space Flight Center Music Primary Mirror Assembly We are doing a demonstration using the entire system to place a surrogate mirror on a surrogate back plane, just like we will in 2015 to place the real mirrors on the real James Webb Space Telescope music music music This is controlled by operated that tell it how far to move and which way to move to drive it over and set it into its nest music music music music music