Spacewalkers Replace Station Gyroscope, 3 Days Added to Shuttle Mission

STS-118 spacewalkers Dave Williams and Rick Mastracchio installed a new control moment gyroscope (CMG) into the International Space Station’s Z1 truss. They will secure the faulty CMG and equipment before wrapping up the excursion.

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<p><a href="http://www.physorg.com/news106241089.html">Spacewalkers Replace Station Gyroscope, 3 Days Added to Shuttle Mission</a></p> <p>STS-118 spacewalkers Dave Williams and Rick Mastracchio installed a new control moment gyroscope (CMG) into the International Space Station’s Z1 truss. They will secure the faulty CMG and equipment before wrapping up the excursion.</p>