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♪

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Good morning. My
name is Nick Nugent.

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I'm a project engineer
here at the NASA

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Stennis Space Center
in Mississippi.

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We're here
on the tarmac

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of the historic
B-2 Test Stand.

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The large steel
structure behind me

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is called the
interstage simulator.

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It was brought over
here on September 21st

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via barge from the
Michoud Assembly Facility

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after its major structural
steel work was completed.

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The interstage
simulator will be used

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for the EUS, the
Exploration Upper Stage,

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Green Run that will
occur here at Stennis.

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The Exploration Upper
Stage, or EUS, is going

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to be the Space Launch
System's new upper stage.

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The Exploration
Upper Stage sits

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on top of
the core stage.

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And after the solid rocket
boosters are jettisoned

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and the core stage burn
is complete, this takes

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the service module
and the Orion capsule

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further on its
journey to the Moon.

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It's coming here to
the Stennis Space Center

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to go through a series
of green run tests.

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There'll be a series of
tests, everything from

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avionics power up that
will culminate

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ultimately in a hot
fire, just like we did

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with the core
stage for Green Run.

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The interstage
simulator provides

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an environmental
shelter for

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the lower half of the
EUS vehicle that allows

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the avionics, the
propulsion system

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and other sensors
inside there to be

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environmentally
protected while

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it's outside here at
Stennis for the Green Run.

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The top of the
interstage serves

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as the thrust take out.

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So that's where the thrust
is actually transferred

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from the vehicle back
to the test stand.

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Now that the
interstage simulator

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is here at Stennis

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the teams on
site will finish it.

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So part of that
finishing process

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is installing all of the
piping that goes inside,

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all of the
different tubing

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and wiring connections
that interface

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to the facility
and the rocket.

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And then finally,
we will blast

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and paint it
before installing it

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into the test stand.

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The Exploration
Upper Stage Green Run

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testing here at
Stennis is very important

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to the NASA mission.

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As NASA looks
to gain a better

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understanding
of the universe,

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important projects
like this need to occur.

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As we look to make a
sustainable presence

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on the Moon
and then continue

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into deep
space and to Mars,

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advancing the technology

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and making the missions
occur are very important.

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Stennis is on
the front lines

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of doing that with our
rocket engine testing,

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our component testing,

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and then also
our stage testing

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like we did with the
Core Stage Green Run.

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It's an exciting
time to be here.

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♪