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After the initial recovery operations on the runway

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the orbiter is towed four miles to a

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Mate/Demate Device or MDD
where it is de-serviced.

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Once at the MDD the week-long turnaround process

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begins with crews working around the clock in

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preparation for the shuttle's

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cross-country return home.

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Discovery's onboard fuel cell systems are shut down

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00:00:28,180 --> 00:00:30,260
and the orbiter's electrical systems are

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switched to ground power.

11
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The shuttle is hoisted and aligned

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00:00:34,940 --> 00:00:36,960
with the MDD's work platforms

13
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so that technicians may have access

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to the orbiters systems.

15
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The main engines are flushed of residual fuel