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[ Music ]

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The solar array wing we tested
here today was the qualification

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model wing provided by Airbus
Defence and Space, Netherlands.

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For this test, we just
have one functional wing

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and it's the qualification
model wing that went

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through more full
qualification testing in Europe,

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and so this is the only
functional wing we have

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on this test article.

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All the others are represented
with mass simulators.

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When all four solar array
wings are deployed tip to tip,

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they're sixty-four feet long and
all four wings together generate

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around eleven kilowatts
of power.

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For this test, there
were several things

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that we looked at.

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This was the first time we
used those thermal knives

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to start the deployment sequence

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and that allowed-cut
some tethers

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that then allowed the
solar array to deploy.

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We wanted to test the
locking mechanisms to ensure

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that it locked properly
in space because anything

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that could possibly go wrong,
we wanted to see test down here

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so that we can ensure
a successful flight

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and deployment.

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After the test today,

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we're going to re-stow
the solar array wing.

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We're going to take the test
article to the vertical,

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and then we're going to install
a crew module mass simulator

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and the spacecraft adapter
jettison bolt bearings,

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and that will complete the
test article configuration

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for the next test, which
is an acoustic test.

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After we go through all
the tests that we're going

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to do here, we're going
to do some acoustic tests

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to simulate the launch
environment, vibration tests

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and some pyro tests,
and at the conclusion

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of those we'll do
another solar array test,

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and we'll determine whether