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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 17 DECEMBER 1999:

STANFORD HIGHLIGHT
We have begun the process of removing the flight probe from the dewar. The steps completed thus far include providing the correct orientation of the probe and dewar, preparing the flooring, scaffolding and mechanical braces, completing a liquid helium fill, pressurizing the well, and installing cables to allow monitoring of various sensors during the removal process. The team members involved in this work include J. Maddocks, D. Murray, M. Taber, and T. Welsh.

Photo: The Science Mission Dewar inside its flooring and scaffolding, being re-oriented to the vertical before being re-filled and pressurized.

SPACE VEHICLE HIGHLIGHT
The Solar Array Deployment Mechanism (SADM) Test Readiness Review (TRR) was successfully held on Wednesday, December 8, 1999. Subsequently, testing has begun on the SADM protoqual unit.

Photo: LMMS Engineers Marc Campell and Shawn Shelton with the SADM development unit.

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