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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 25 MAY 2001:

SUCCEESSFULLY COMPLETED CM-19
The payload test team successfully completed CM-19: Subatmospheric 95% Refill Trial. The operations went very smoothly and the milestone was completed 51 days ahead of the baseline completion date. Phase B of payload test has been started. The artificial star has been installed on to the payload to support tests in this phase.

Photo: The Artificial Start on a cart in the FISTOps test area.

SUCCESSFULLY COMPLETED FLIGHT BATTERY VIRATION TEST
The two flight batteries successfully completed random vibration testing at Ball Aerospace in Boulder, CO.

Photo: One of the GP-B flight batteries mounted on the random vibration fixture at Ball Aerospace in Boulder, Colorado.

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