ISS Gyro To Be Brought Online Today

After the faulty circuit breaker on the ISS was replaced during Wednesday's spacewalk, flight controllers on the ground began testing the Control Moment Gyroscope (CMG) that had been taken offline by the troublesome hardware. The gyroscope was slowly brought up to it's full operating speed, 6,600 RPM, by about 2:30 PM EDT yesterday. Flight controllers expect to bring the restored CMG back online today to join the other two functioning gyroscopes in maintaining the orientation of the ISS.

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