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before the saturn v rocket successfully

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launched americans to the moon

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its tremendously powerful first stage

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was proven during testing here at nasa's

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marshall space flight center

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that was two decades ago but soon the

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roar of rocket engines will echo again

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from this massive concrete and steel

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test stand

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this historic site has now been restored

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into a hotbed of rocket engine research

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for the future it's called the

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technology test bed and it will give

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nasa engineers a chance to test theories

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and hardware aimed at improving the

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space shuttle main engine and the

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engines that will follow the first thing

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it's going to do is give us a much

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better understanding of what's happening

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inside the engine john mccarty is the

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director of the propulsion lab here at

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the marshall center it points out that

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on standard flight models of the shuttle

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engine there are 50 sensors on the test

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engine here there can be more than 12

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times that many the data generated

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during these tests will be used to

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improve the engines that will propel the

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nation's space program for decades to

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come the bottom line is going to be a

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reduction in the cost of the engines but

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by i project at least 50

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along with increased safety and

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reliability mccarty says that building a

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new test facility would have cost 10

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times as much as refurbishing this one

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soon this artifact of the past which

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helped put man on the moon will roar

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back to life to help nasa make manned

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flights safe and reliable far into the

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percent

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well i think if we look off five to ten

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years into the future

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we would expect that then

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that we could see engines that are 50

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percent of the cost of of these current

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engines

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that are safer and have higher

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reliability than what we have today and

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that's the whole thrust of the program