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The Complete Book of Spaceflight: From Apollo 1 to Zero Gravity

The Complete Book of Spaceflight: From Apollo 1 to Zero Gravity

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Skylab An overhead view <strong>of</strong> Skylab from the Skylab 4 Command and Service Module during its final flyaround before<br />

returning home. NASA<br />

This not only threatened an early end <strong>to</strong> the mission<br />

but also put a question mark over whether the CSM<br />

would be able <strong>to</strong> return safely <strong>to</strong> Earth. Launch crews<br />

at Kennedy Space Center were put on a nons<strong>to</strong>p work<br />

schedule <strong>to</strong> prepare the Skylab 4 Saturn IB for a pos-<br />

sible rescue operation. In the event, the mission was<br />

continued as planned and the CSM performed flawlessly<br />

during reentry. On August 6, 1973, Garriott and<br />

Lousma went on a 6-hour spacewalk <strong>to</strong> deploy a twinpole<br />

thermal shield <strong>to</strong> replace the “parasol” installed<br />

379

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