Where Is Webb? NASA/Webb

Where Is Webb? NASA/Webb:

The Aft Unitized Pallet Structure (UPS)

Nominal Event Time: Launch + 3 days
The UPS supports and carries the five folded sunshield membranes. Prior to this, the spacecraft will have been maneuvered to provide warmer temperatures on the forward UPS and various heaters have been activitated to warm key deployment components. Key release devices have been activated. Various electronics and software have also been configured prior to support the UPS motions, which are driven by a motor.

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