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Author Topic: Why did STS 121 launch before 116?  (Read 3319 times)

FAAmecanic

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Why did STS 121 launch before 116?
« on: December 20, 2009, 07:07:15 AM »
Just noticed the STS 121 actually DID lift off on 07/04/06  and STS 116 was 12/09/06...  looked it up on NASA website and that is true.

So does anyone know why NASA had STS 121 lifting off prior to STS 116?   Was it a maintenance thing where some of the Shuttles were being maintained/modified and lifted off at a later date maybe?
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davidrobinsonjr

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Re: Why did STS 121 launch before 116?
« Reply #1 on: December 20, 2009, 10:35:12 AM »
After the Columbia accident, NASA needed two flights to test all the return to flight items. They needed to sandwhich an extra flight between STS-114 and 115 which were allready scheduled  and the picked the next available flight number: STS-121.
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FAAmecanic

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Re: Why did STS 121 launch before 116?
« Reply #2 on: December 20, 2009, 11:08:10 AM »
Ahhh...had a feeling it was a scheduling thing.  Just lost sight of why there was that gap  (shame on me...  :'(  )

Thanks.
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